-
Notifications
You must be signed in to change notification settings - Fork 2
/
u.html
5145 lines (2768 loc) · 624 KB
/
u.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
---
title: "Terms starting with letter u"
layout: base
---
<p class=legend>Color key: <code class=webidl>WebIDL</code> <code class='css'>CSS</code> <code class='markup'>Markup</code> <code class='http'>HTTP</code></p>
<dl>
<dt id="u@@html%%element"><code class=prefix></code><span><strong><code class=markup>u</code></strong> (<em>markup element</em>) <a class='self-link' href='#u%40%40html%25%25element' aria-label="Permalink for u">§</a></span></dt>
<dd>Defined in <strong title='u is defined in HTML'><a href=https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-u-element>HTML</a></strong> </dd>
<dd>Referenced in
<a href=https://w3c.github.io/editing/docs/execCommand/ title='u is referenced by execCommand'>execCommand</a>,
<a href=https://w3c.github.io/html-aam/ title='u is referenced by HTML Accessibility API Mappings 1.0'>HTML Accessibility API Mappings 1.0</a>,
<a href=https://w3c.github.io/html-aria/ title='u is referenced by ARIA in HTML'>ARIA in HTML</a>,
<a href=https://w3c.github.io/webvtt/ title='u is referenced by WebVTT: The Web Video Text Tracks Format'>WebVTT: The Web Video Text Tracks Format</a></dd>
<dt id="u8@@AudioSampleFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"u8"</code></strong> (<em>value for <a href='a.html#AudioSampleFormat@@@@enum'><code>AudioSampleFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#u8%40%40AudioSampleFormat%40enum-value' aria-label="Permalink for u8">§</a></span></dt>
<dd>Defined in <strong title='u8 is defined in WebCodecs'><a href=https://w3c.github.io/webcodecs/#dom-audiosampleformat-u8>WebCodecs</a></strong> </dd>
<dd>Referenced in
<a href=https://w3c.github.io/webcodecs/pcm_codec_registration.html title='u8 is referenced by Linear PCM WebCodecs Registration'>Linear PCM WebCodecs Registration</a></dd>
<dt id="u8-planar@@AudioSampleFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"u8-planar"</code></strong> (<em>value for <a href='a.html#AudioSampleFormat@@@@enum'><code>AudioSampleFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#u8-planar%40%40AudioSampleFormat%40enum-value' aria-label="Permalink for u8-planar">§</a></span></dt>
<dd>Defined in <strong title='u8-planar is defined in WebCodecs'><a href=https://w3c.github.io/webcodecs/#dom-audiosampleformat-u8-planar>WebCodecs</a></strong> </dd>
<dt id="ua@@CSS%%dfn"><code class=prefix></code><span><strong>ua</strong> (<em>concept</em>) <a class='self-link' href='#ua%40%40CSS%25%25dfn' aria-label="Permalink for ua">§</a></span></dt>
<dd>Defined in <strong title='ua is defined in CSS 2.1'><a href=https://www.w3.org/TR/CSS21/conform.html#user-agent>CSS 2.1</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-display-4/ title='ua is referenced by CSS Display 4'>CSS Display 4</a>,
<a href=https://drafts.csswg.org/css-multicol-2/ title='ua is referenced by CSS Multicol 2'>CSS Multicol 2</a>,
<a href=https://drafts.csswg.org/css-2022/ title='ua is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='ua is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a>,
<a href=https://drafts.csswg.org/css-animations-1/ title='ua is referenced by CSS Animations 1'>CSS Animations 1</a>,
<a href=https://drafts.csswg.org/css-box-3/ title='ua is referenced by CSS Box Model 3'>CSS Box Model 3</a>,
<a href=https://drafts.csswg.org/css-color-hdr-1/ title='ua is referenced by CSS Color HDR 1'>CSS Color HDR 1</a>,
<a href=https://drafts.csswg.org/css-contain-1/ title='ua is referenced by CSS Containment 1'>CSS Containment 1</a>,
<a href=https://drafts.csswg.org/css-display-3/ title='ua is referenced by CSS Display 3'>CSS Display 3</a>,
<a href=https://drafts.csswg.org/css-font-loading-3/ title='ua is referenced by CSS Font Loading 3'>CSS Font Loading 3</a>,
<a href=https://drafts.csswg.org/css-gcpm-3/ title='ua is referenced by CSS GCPM 3'>CSS GCPM 3</a>,
<a href=https://drafts.fxtf.org/css-masking-1/ title='ua is referenced by CSS Masking 1'>CSS Masking 1</a>,
<a href=https://drafts.csswg.org/css-multicol-1/ title='ua is referenced by CSS Multicol 1'>CSS Multicol 1</a>,
<a href=https://drafts.csswg.org/css-overflow-5/ title='ua is referenced by CSS Overflow 5'>CSS Overflow 5</a>,
<a href=https://drafts.csswg.org/css-scroll-snap-2/ title='ua is referenced by CSS Scroll Snap 2'>CSS Scroll Snap 2</a>,
<a href=https://drafts.csswg.org/css-scrollbars-1/ title='ua is referenced by CSS Scrollbars Styling 1'>CSS Scrollbars Styling 1</a>,
<a href=https://drafts.csswg.org/css-ui-3/ title='ua is referenced by CSS User Interface 3'>CSS User Interface 3</a>,
<a href=https://drafts.csswg.org/css-viewport/ title='ua is referenced by CSS Viewport 1'>CSS Viewport 1</a>,
<a href=https://drafts.fxtf.org/motion-1/ title='ua is referenced by Motion Path 1'>Motion Path 1</a></dd>
<dt id="UADataValues@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UADataValues</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UADataValues%40%40%40%40dictionary' aria-label="Permalink for UADataValues">§</a></span></dt>
<dd>Defined in <strong title='UADataValues is defined in User-Agent Client Hints'><a href=https://wicg.github.io/ua-client-hints/#dictdef-uadatavalues>User-Agent Client Hints</a></strong> </dd>
<dd>Related terms: <code>UADataValues.</code><a href='a.html#architecture@@UADataValues@dict-member'><code>architecture</code></a>, <code>UADataValues.</code><a href='b.html#bitness@@UADataValues@dict-member'><code>bitness</code></a>, <code>UADataValues.</code><a href='b.html#brands@@UADataValues@dict-member'><code>brands</code></a>, <code>UADataValues.</code><a href='f.html#formFactors@@UADataValues@dict-member'><code>formFactors</code></a>, <code>UADataValues.</code><a href='f.html#fullVersionList@@UADataValues@dict-member'><code>fullVersionList</code></a>, <code>UADataValues.</code><a href='m.html#mobile@@UADataValues@dict-member'><code>mobile</code></a>, <code>UADataValues.</code><a href='m.html#model@@UADataValues@dict-member'><code>model</code></a>, <code>UADataValues.</code><a href='p.html#platform@@UADataValues@dict-member'><code>platform</code></a>, <code>UADataValues.</code><a href='p.html#platformVersion@@UADataValues@dict-member'><code>platformVersion</code></a>, <code>UADataValues.</code><a href='u.html#uaFullVersion@@UADataValues@dict-member'><code>uaFullVersion</code></a>, <code>UADataValues.</code><a href='w.html#wow64@@UADataValues@dict-member'><code>wow64</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UADataValues.html' title='UADataValues entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="uaFullVersion@@UADataValues@dict-member"><code class=prefix><a href='u.html#UADataValues@@@@dictionary'>UADataValues</a>.</code><span><strong><code class=webidl>uaFullVersion</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#uaFullVersion%40%40UADataValues%40dict-member' aria-label="Permalink for <a href='u.html#UADataValues@@@@dictionary'>UADataValues</a>.uaFullVersion">§</a></span></dt>
<dd>Defined in <strong title='uaFullVersion is defined in User-Agent Client Hints'><a href=https://wicg.github.io/ua-client-hints/#dom-uadatavalues-uafullversion>User-Agent Client Hints</a></strong> </dd>
<dt id="UALowEntropyJSON@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UALowEntropyJSON</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UALowEntropyJSON%40%40%40%40dictionary' aria-label="Permalink for UALowEntropyJSON">§</a></span></dt>
<dd>Defined in <strong title='UALowEntropyJSON is defined in User-Agent Client Hints'><a href=https://wicg.github.io/ua-client-hints/#dictdef-ualowentropyjson>User-Agent Client Hints</a></strong> </dd>
<dd>Related terms: <code>UALowEntropyJSON.</code><a href='b.html#brands@@UALowEntropyJSON@dict-member'><code>brands</code></a>, <code>UALowEntropyJSON.</code><a href='m.html#mobile@@UALowEntropyJSON@dict-member'><code>mobile</code></a>, <code>UALowEntropyJSON.</code><a href='p.html#platform@@UALowEntropyJSON@dict-member'><code>platform</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UALowEntropyJSON.html' title='UALowEntropyJSON entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="udp@@RTCIceProtocol@enum-value"><code class=prefix></code><span><strong><code class=webidl>"udp"</code></strong> (<em>value for <a href='r.html#RTCIceProtocol@@@@enum'><code>RTCIceProtocol</code></a> WebIDL enumeration</em>) <a class='self-link' href='#udp%40%40RTCIceProtocol%40enum-value' aria-label="Permalink for udp">§</a></span></dt>
<dd>Defined in <strong title='udp is defined in WebRTC 1.0'><a href=https://w3c.github.io/webrtc-pc/#dom-rtciceprotocol-udp>WebRTC 1.0</a></strong> </dd>
<dt id="udp@@RTCIceServerTransportProtocol@enum-value"><code class=prefix></code><span><strong><code class=webidl>"udp"</code></strong> (<em>value for <a href='r.html#RTCIceServerTransportProtocol@@@@enum'><code>RTCIceServerTransportProtocol</code></a> WebIDL enumeration</em>) <a class='self-link' href='#udp%40%40RTCIceServerTransportProtocol%40enum-value' aria-label="Permalink for udp">§</a></span></dt>
<dd>Defined in <strong title='udp is defined in WebRTC 1.0'><a href=https://w3c.github.io/webrtc-pc/#dom-rtciceservertransportprotocol-udp>WebRTC 1.0</a></strong> </dd>
<dt id="UDPMessage@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UDPMessage</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UDPMessage%40%40%40%40dictionary' aria-label="Permalink for UDPMessage">§</a></span></dt>
<dd>Defined in <strong title='UDPMessage is defined in Direct Sockets API'><a href=https://wicg.github.io/direct-sockets/#dom-udpmessage>Direct Sockets API</a></strong> </dd>
<dd>Related terms: <code>UDPMessage.</code><a href='d.html#data@@UDPMessage@dict-member'><code>data</code></a>, <code>UDPMessage.</code><a href='d.html#dnsQueryType@@UDPMessage@dict-member'><code>dnsQueryType</code></a>, <code>UDPMessage.</code><a href='r.html#remoteAddress@@UDPMessage@dict-member'><code>remoteAddress</code></a>, <code>UDPMessage.</code><a href='r.html#remotePort@@UDPMessage@dict-member'><code>remotePort</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UDPMessage.html' title='UDPMessage entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UDPSocket@@@@interface"><code class=prefix></code><span><strong><code class=webidl>UDPSocket</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#UDPSocket%40%40%40%40interface' aria-label="Permalink for UDPSocket">§</a></span></dt>
<dd>Defined in <strong title='UDPSocket is defined in Direct Sockets API'><a href=https://wicg.github.io/direct-sockets/#dom-udpsocket>Direct Sockets API</a></strong> </dd>
<dd>Related terms: <code>UDPSocket.</code><a href='c.html#closed@@UDPSocket@attribute'><code>closed</code></a>, <code>UDPSocket.</code><a href='o.html#opened@@UDPSocket@attribute'><code>opened</code></a>, <em>WebIDL constructor</em> <a href='c.html#constructor()@@UDPSocket@constructor'><code>constructor()</code></a>, <code>UDPSocket.</code><a href='c.html#close()@@UDPSocket@method'><code>close()</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UDPSocket.html' title='UDPSocket entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UDPSocketOpenInfo@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UDPSocketOpenInfo</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UDPSocketOpenInfo%40%40%40%40dictionary' aria-label="Permalink for UDPSocketOpenInfo">§</a></span></dt>
<dd>Defined in <strong title='UDPSocketOpenInfo is defined in Direct Sockets API'><a href=https://wicg.github.io/direct-sockets/#dom-udpsocketopeninfo>Direct Sockets API</a></strong> </dd>
<dd>Related terms: <code>UDPSocketOpenInfo.</code><a href='l.html#localAddress@@UDPSocketOpenInfo@dict-member'><code>localAddress</code></a>, <code>UDPSocketOpenInfo.</code><a href='l.html#localPort@@UDPSocketOpenInfo@dict-member'><code>localPort</code></a>, <code>UDPSocketOpenInfo.</code><a href='r.html#readable@@UDPSocketOpenInfo@dict-member'><code>readable</code></a>, <code>UDPSocketOpenInfo.</code><a href='r.html#remoteAddress@@UDPSocketOpenInfo@dict-member'><code>remoteAddress</code></a>, <code>UDPSocketOpenInfo.</code><a href='r.html#remotePort@@UDPSocketOpenInfo@dict-member'><code>remotePort</code></a>, <code>UDPSocketOpenInfo.</code><a href='w.html#writable@@UDPSocketOpenInfo@dict-member'><code>writable</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UDPSocketOpenInfo.html' title='UDPSocketOpenInfo entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UDPSocketOptions@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UDPSocketOptions</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UDPSocketOptions%40%40%40%40dictionary' aria-label="Permalink for UDPSocketOptions">§</a></span></dt>
<dd>Defined in <strong title='UDPSocketOptions is defined in Direct Sockets API'><a href=https://wicg.github.io/direct-sockets/#dom-udpsocketoptions>Direct Sockets API</a></strong> </dd>
<dd>Related terms: <code>UDPSocketOptions.</code><a href='d.html#dnsQueryType@@UDPSocketOptions@dict-member'><code>dnsQueryType</code></a>, <code>UDPSocketOptions.</code><a href='i.html#ipv6Only@@UDPSocketOptions@dict-member'><code>ipv6Only</code></a>, <code>UDPSocketOptions.</code><a href='l.html#localAddress@@UDPSocketOptions@dict-member'><code>localAddress</code></a>, <code>UDPSocketOptions.</code><a href='l.html#localPort@@UDPSocketOptions@dict-member'><code>localPort</code></a>, <code>UDPSocketOptions.</code><a href='r.html#receiveBufferSize@@UDPSocketOptions@dict-member'><code>receiveBufferSize</code></a>, <code>UDPSocketOptions.</code><a href='r.html#remoteAddress@@UDPSocketOptions@dict-member'><code>remoteAddress</code></a>, <code>UDPSocketOptions.</code><a href='r.html#remotePort@@UDPSocketOptions@dict-member'><code>remotePort</code></a>, <code>UDPSocketOptions.</code><a href='s.html#sendBufferSize@@UDPSocketOptions@dict-member'><code>sendBufferSize</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UDPSocketOptions.html' title='UDPSocketOptions entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="ui-monospace@@<generic-family>@value"><code class=prefix></code><span><strong><code class=css>ui-monospace</code></strong> (<em>CSS value for <a href='g.html#<generic-family>@@@@type'><code><generic-family></code></a>, <a href='f.html#font-family@@@@property'><code>font-family</code></a> property </em>) <a class='self-link' href='#ui-monospace%40%40%3Cgeneric-family%3E%40value' aria-label="Permalink for ui-monospace">§</a></span></dt>
<dd>Defined in <strong title='ui-monospace is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-family-ui-monospace>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='ui-monospace is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="ui-rounded@@<generic-family>@value"><code class=prefix></code><span><strong><code class=css>ui-rounded</code></strong> (<em>CSS value for <a href='g.html#<generic-family>@@@@type'><code><generic-family></code></a>, <a href='f.html#font-family@@@@property'><code>font-family</code></a> property </em>) <a class='self-link' href='#ui-rounded%40%40%3Cgeneric-family%3E%40value' aria-label="Permalink for ui-rounded">§</a></span></dt>
<dd>Defined in <strong title='ui-rounded is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-family-ui-rounded>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='ui-rounded is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="ui-sans-serif@@<generic-family>@value"><code class=prefix></code><span><strong><code class=css>ui-sans-serif</code></strong> (<em>CSS value for <a href='g.html#<generic-family>@@@@type'><code><generic-family></code></a>, <a href='f.html#font-family@@@@property'><code>font-family</code></a> property </em>) <a class='self-link' href='#ui-sans-serif%40%40%3Cgeneric-family%3E%40value' aria-label="Permalink for ui-sans-serif">§</a></span></dt>
<dd>Defined in <strong title='ui-sans-serif is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-family-ui-sans-serif>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='ui-sans-serif is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="ui-serif@@<generic-family>@value"><code class=prefix></code><span><strong><code class=css>ui-serif</code></strong> (<em>CSS value for <a href='g.html#<generic-family>@@@@type'><code><generic-family></code></a>, <a href='f.html#font-family@@@@property'><code>font-family</code></a> property </em>) <a class='self-link' href='#ui-serif%40%40%3Cgeneric-family%3E%40value' aria-label="Permalink for ui-serif">§</a></span></dt>
<dd>Defined in <strong title='ui-serif is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-family-ui-serif>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='ui-serif is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="UIEvent@@@@interface"><code class=prefix></code><span><strong><code class=webidl>UIEvent</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#UIEvent%40%40%40%40interface' aria-label="Permalink for UIEvent">§</a></span></dt>
<dd>Defined in <strong title='UIEvent is defined in UI Events'><a href=https://w3c.github.io/uievents/#uievent>UI Events</a></strong> </dd>
<dd>Referenced in
<a href=https://dom.spec.whatwg.org/ title='UIEvent is referenced by DOM'>DOM</a>,
<a href=https://html.spec.whatwg.org/multipage/ title='UIEvent is referenced by HTML'>HTML</a>,
<a href=https://w3c.github.io/long-animation-frames/ title='UIEvent is referenced by Long Animation Frames API'>Long Animation Frames API</a>,
<a href=https://drafts.csswg.org/css-nav-1/ title='UIEvent is referenced by CSS Spatial Navigation 1'>CSS Spatial Navigation 1</a></dd>
<dd>Related terms: <code>UIEvent.</code><a href='d.html#detail@@UIEvent@attribute'><code>detail</code></a>, <code>UIEvent.</code><a href='s.html#sourceCapabilities@@UIEvent@attribute'><code>sourceCapabilities</code></a>, <code>UIEvent.</code><a href='v.html#view@@UIEvent@attribute'><code>view</code></a>, <code>UIEvent.</code><a href='w.html#which@@UIEvent@attribute'><code>which</code></a>, <code>new </code><a href='u.html#UIEvent(type, eventInitDict)@@UIEvent@constructor'><code>UIEvent(type, eventInitDict)</code></a>, <code>UIEvent.</code><a href='i.html#initUIEvent(typeArg, bubblesArg, cancelableArg, viewArg, detailArg)@@UIEvent@method'><code>initUIEvent(typeArg, bubblesArg, cancelableArg, viewArg, detailArg)</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UIEvent.html' title='UIEvent entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UIEvent(type, eventInitDict)@@UIEvent@constructor"><code class=prefix>new </code><span><strong><code class=webidl>UIEvent(type, eventInitDict)</code></strong> (<em>WebIDL constructor</em>) <a class='self-link' href='#UIEvent(type%2C%20eventInitDict)%40%40UIEvent%40constructor' aria-label="Permalink for new UIEvent(type, eventInitDict)">§</a></span></dt>
<dd>Defined in <strong title='UIEvent(type, eventInitDict) is defined in UI Events'><a href=https://w3c.github.io/uievents/#dom-uievent-uievent>UI Events</a></strong> </dd>
<dt id="UIEventInit@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UIEventInit</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UIEventInit%40%40%40%40dictionary' aria-label="Permalink for UIEventInit">§</a></span></dt>
<dd>Defined in <strong title='UIEventInit is defined in UI Events'><a href=https://w3c.github.io/uievents/#dictdef-uieventinit>UI Events</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-nav-1/ title='UIEventInit is referenced by CSS Spatial Navigation 1'>CSS Spatial Navigation 1</a></dd>
<dd>Related terms: <code>UIEventInit.</code><a href='d.html#detail@@UIEventInit@dict-member'><code>detail</code></a>, <code>UIEventInit.</code><a href='s.html#sourceCapabilities@@UIEventInit@dict-member'><code>sourceCapabilities</code></a>, <code>UIEventInit.</code><a href='v.html#view@@UIEventInit@dict-member'><code>view</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UIEventInit.html' title='UIEventInit entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="uint@@GPUTextureSampleType@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint"</code></strong> (<em>value for <a href='g.html#GPUTextureSampleType@@@@enum'><code>GPUTextureSampleType</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint%40%40GPUTextureSampleType%40enum-value' aria-label="Permalink for uint">§</a></span></dt>
<dd>Defined in <strong title='uint is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gputexturesampletype-uint>WebGPU</a></strong> </dd>
<dd>Referenced in
<a href=https://gpuweb.github.io/gpuweb/wgsl/ title='uint is referenced by WebGPU Shading Language'>WebGPU Shading Language</a></dd>
<dt id="uint16@@GPUIndexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint16"</code></strong> (<em>value for <a href='g.html#GPUIndexFormat@@@@enum'><code>GPUIndexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint16%40%40GPUIndexFormat%40enum-value' aria-label="Permalink for uint16">§</a></span></dt>
<dd>Defined in <strong title='uint16 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuindexformat-uint16>WebGPU</a></strong> </dd>
<dt id="uint16@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint16"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint16%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint16">§</a></span></dt>
<dd>Defined in <strong title='uint16 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint16>WebGPU</a></strong> </dd>
<dt id="Uint16Array@@@@interface"><code class=prefix></code><span><strong><code class=webidl>Uint16Array</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#Uint16Array%40%40%40%40interface' aria-label="Permalink for Uint16Array">§</a></span></dt>
<dd>Defined in <strong title='Uint16Array is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#idl-Uint16Array>Web IDL</a></strong> </dd>
<dd>Referenced in
<a href=https://immersive-web.github.io/real-world-geometry/webxrmeshing-1.html title='Uint16Array is referenced by WebXR Meshing API 1'>WebXR Meshing API 1</a>,
<a href=https://w3c.github.io/webcrypto/ title='Uint16Array is referenced by Web Cryptography API'>Web Cryptography API</a>,
<a href=https://webmachinelearning.github.io/webnn/ title='Uint16Array is referenced by Web Neural Network API'>Web Neural Network API</a>,
<a href=https://immersive-web.github.io/depth-sensing/ title='Uint16Array is referenced by WebXR Depth Sensing'>WebXR Depth Sensing</a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/Uint16Array.html' title='Uint16Array entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="%Uint16Array%@@@@interface"><code class=prefix></code><span><strong><code class=webidl>%Uint16Array%</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#%25Uint16Array%25%40%40%40%40interface' aria-label="Permalink for %Uint16Array%">§</a></span></dt>
<dd>Defined in <strong title='%Uint16Array% is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/indexed-collections.html#sec-typedarray-objects>ECMAScript</a></strong> </dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/%Uint16Array%.html' title='%Uint16Array% entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="uint16x2@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint16x2"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint16x2%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint16x2">§</a></span></dt>
<dd>Defined in <strong title='uint16x2 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint16x2>WebGPU</a></strong> </dd>
<dt id="uint16x4@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint16x4"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint16x4%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint16x4">§</a></span></dt>
<dd>Defined in <strong title='uint16x4 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint16x4>WebGPU</a></strong> </dd>
<dt id="uint32@@GPUIndexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint32"</code></strong> (<em>value for <a href='g.html#GPUIndexFormat@@@@enum'><code>GPUIndexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint32%40%40GPUIndexFormat%40enum-value' aria-label="Permalink for uint32">§</a></span></dt>
<dd>Defined in <strong title='uint32 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuindexformat-uint32>WebGPU</a></strong> </dd>
<dt id="uint32@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint32"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint32%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint32">§</a></span></dt>
<dd>Defined in <strong title='uint32 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint32>WebGPU</a></strong> </dd>
<dt id="uint32@@MLOperandDataType@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint32"</code></strong> (<em>value for <a href='m.html#MLOperandDataType@@@@enum'><code>MLOperandDataType</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint32%40%40MLOperandDataType%40enum-value' aria-label="Permalink for uint32">§</a></span></dt>
<dd>Defined in <strong title='uint32 is defined in Web Neural Network API'><a href=https://webmachinelearning.github.io/webnn/#dom-mloperanddatatype-uint32>Web Neural Network API</a></strong> </dd>
<dt id="Uint32Array@@@@interface"><code class=prefix></code><span><strong><code class=webidl>Uint32Array</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#Uint32Array%40%40%40%40interface' aria-label="Permalink for Uint32Array">§</a></span></dt>
<dd>Defined in <strong title='Uint32Array is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#idl-Uint32Array>Web IDL</a></strong> </dd>
<dd>Referenced in
<a href=https://encoding.spec.whatwg.org/ title='Uint32Array is referenced by Encoding'>Encoding</a>,
<a href=https://immersive-web.github.io/real-world-meshing/ title='Uint32Array is referenced by WebXR Mesh Detection'>WebXR Mesh Detection</a>,
<a href=https://w3c.github.io/gamepad/extensions.html title='Uint32Array is referenced by Gamepad Extensions'>Gamepad Extensions</a>,
<a href=https://w3c.github.io/webcrypto/ title='Uint32Array is referenced by Web Cryptography API'>Web Cryptography API</a>,
<a href=https://gpuweb.github.io/gpuweb/ title='Uint32Array is referenced by WebGPU'>WebGPU</a>,
<a href=https://webmachinelearning.github.io/webnn/ title='Uint32Array is referenced by Web Neural Network API'>Web Neural Network API</a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/Uint32Array.html' title='Uint32Array entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="%Uint32Array%@@@@interface"><code class=prefix></code><span><strong><code class=webidl>%Uint32Array%</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#%25Uint32Array%25%40%40%40%40interface' aria-label="Permalink for %Uint32Array%">§</a></span></dt>
<dd>Defined in <strong title='%Uint32Array% is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/indexed-collections.html#sec-typedarray-objects>ECMAScript</a></strong> </dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/%Uint32Array%.html' title='%Uint32Array% entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="uint32x2@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint32x2"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint32x2%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint32x2">§</a></span></dt>
<dd>Defined in <strong title='uint32x2 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint32x2>WebGPU</a></strong> </dd>
<dt id="uint32x3@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint32x3"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint32x3%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint32x3">§</a></span></dt>
<dd>Defined in <strong title='uint32x3 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint32x3>WebGPU</a></strong> </dd>
<dt id="uint32x4@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint32x4"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint32x4%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint32x4">§</a></span></dt>
<dd>Defined in <strong title='uint32x4 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint32x4>WebGPU</a></strong> </dd>
<dt id="uint64@@MLOperandDataType@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint64"</code></strong> (<em>value for <a href='m.html#MLOperandDataType@@@@enum'><code>MLOperandDataType</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint64%40%40MLOperandDataType%40enum-value' aria-label="Permalink for uint64">§</a></span></dt>
<dd>Defined in <strong title='uint64 is defined in Web Neural Network API'><a href=https://webmachinelearning.github.io/webnn/#dom-mloperanddatatype-uint64>Web Neural Network API</a></strong> </dd>
<dt id="uint8@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint8"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint8%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint8">§</a></span></dt>
<dd>Defined in <strong title='uint8 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint8>WebGPU</a></strong> </dd>
<dt id="uint8@@MLOperandDataType@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint8"</code></strong> (<em>value for <a href='m.html#MLOperandDataType@@@@enum'><code>MLOperandDataType</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint8%40%40MLOperandDataType%40enum-value' aria-label="Permalink for uint8">§</a></span></dt>
<dd>Defined in <strong title='uint8 is defined in Web Neural Network API'><a href=https://webmachinelearning.github.io/webnn/#dom-mloperanddatatype-uint8>Web Neural Network API</a></strong> </dd>
<dt id="Uint8Array@@@@interface"><code class=prefix></code><span><strong><code class=webidl>Uint8Array</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#Uint8Array%40%40%40%40interface' aria-label="Permalink for Uint8Array">§</a></span></dt>
<dd>Defined in <strong title='Uint8Array is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#idl-Uint8Array>Web IDL</a></strong> </dd>
<dd>Referenced in
<a href=https://compression.spec.whatwg.org/ title='Uint8Array is referenced by Compression'>Compression</a>,
<a href=https://encoding.spec.whatwg.org/ title='Uint8Array is referenced by Encoding'>Encoding</a>,
<a href=https://fetch.spec.whatwg.org/ title='Uint8Array is referenced by Fetch'>Fetch</a>,
<a href=https://webbluetoothcg.github.io/web-bluetooth/ title='Uint8Array is referenced by Web Bluetooth'>Web Bluetooth</a>,
<a href=https://wicg.github.io/direct-sockets/ title='Uint8Array is referenced by Direct Sockets API'>Direct Sockets API</a>,
<a href=https://wicg.github.io/serial/ title='Uint8Array is referenced by Web Serial API'>Web Serial API</a>,
<a href=https://wicg.github.io/turtledove/ title='Uint8Array is referenced by Protected Audience'>Protected Audience</a>,
<a href=https://wicg.github.io/webpackage/loading.html title='Uint8Array is referenced by Loading Signed Exchanges'>Loading Signed Exchanges</a>,
<a href=https://w3c.github.io/FileAPI/ title='Uint8Array is referenced by File API'>File API</a>,
<a href=https://w3c.github.io/IndexedDB/ title='Uint8Array is referenced by Indexed DB 3.0'>Indexed DB 3.0</a>,
<a href=https://w3c.github.io/push-api/ title='Uint8Array is referenced by Push API'>Push API</a>,
<a href=https://w3c.github.io/ServiceWorker/ title='Uint8Array is referenced by Service Workers'>Service Workers</a>,
<a href=https://webaudio.github.io/web-audio-api/ title='Uint8Array is referenced by Web Audio API'>Web Audio API</a>,
<a href=https://webaudio.github.io/web-audio-api/ title='Uint8Array is referenced by Web Audio API 1.1'>Web Audio API 1.1</a>,
<a href=https://w3c.github.io/webcrypto/ title='Uint8Array is referenced by Web Cryptography API'>Web Cryptography API</a>,
<a href=https://webaudio.github.io/web-midi-api/ title='Uint8Array is referenced by Web MIDI API'>Web MIDI API</a>,
<a href=https://webmachinelearning.github.io/webnn/ title='Uint8Array is referenced by Web Neural Network API'>Web Neural Network API</a>,
<a href=https://w3c.github.io/webtransport/ title='Uint8Array is referenced by WebTransport'>WebTransport</a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/Uint8Array.html' title='Uint8Array entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="%Uint8Array%@@@@interface"><code class=prefix></code><span><strong><code class=webidl>%Uint8Array%</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#%25Uint8Array%25%40%40%40%40interface' aria-label="Permalink for %Uint8Array%">§</a></span></dt>
<dd>Defined in <strong title='%Uint8Array% is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/indexed-collections.html#sec-typedarray-objects>ECMAScript</a></strong> </dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/%Uint8Array%.html' title='%Uint8Array% entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="Uint8ClampedArray@@@@interface"><code class=prefix></code><span><strong><code class=webidl>Uint8ClampedArray</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#Uint8ClampedArray%40%40%40%40interface' aria-label="Permalink for Uint8ClampedArray">§</a></span></dt>
<dd>Defined in <strong title='Uint8ClampedArray is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#idl-Uint8ClampedArray>Web IDL</a></strong> </dd>
<dd>Referenced in
<a href=https://html.spec.whatwg.org/multipage/ title='Uint8ClampedArray is referenced by HTML'>HTML</a>,
<a href=https://w3c.github.io/webcrypto/ title='Uint8ClampedArray is referenced by Web Cryptography API'>Web Cryptography API</a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/Uint8ClampedArray.html' title='Uint8ClampedArray entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="%Uint8ClampedArray%@@@@interface"><code class=prefix></code><span><strong><code class=webidl>%Uint8ClampedArray%</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#%25Uint8ClampedArray%25%40%40%40%40interface' aria-label="Permalink for %Uint8ClampedArray%">§</a></span></dt>
<dd>Defined in <strong title='%Uint8ClampedArray% is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/indexed-collections.html#sec-typedarray-objects>ECMAScript</a></strong> </dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/%Uint8ClampedArray%.html' title='%Uint8ClampedArray% entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="uint8x2@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint8x2"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint8x2%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint8x2">§</a></span></dt>
<dd>Defined in <strong title='uint8x2 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint8x2>WebGPU</a></strong> </dd>
<dt id="uint8x4@@GPUVertexFormat@enum-value"><code class=prefix></code><span><strong><code class=webidl>"uint8x4"</code></strong> (<em>value for <a href='g.html#GPUVertexFormat@@@@enum'><code>GPUVertexFormat</code></a> WebIDL enumeration</em>) <a class='self-link' href='#uint8x4%40%40GPUVertexFormat%40enum-value' aria-label="Permalink for uint8x4">§</a></span></dt>
<dd>Defined in <strong title='uint8x4 is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuvertexformat-uint8x4>WebGPU</a></strong> </dd>
<dt id="ul@@html%%element"><code class=prefix></code><span><strong><code class=markup>ul</code></strong> (<em>markup element</em>) <a class='self-link' href='#ul%40%40html%25%25element' aria-label="Permalink for ul">§</a></span></dt>
<dd>Defined in <strong title='ul is defined in HTML'><a href=https://html.spec.whatwg.org/multipage/grouping-content.html#the-ul-element>HTML</a></strong> </dd>
<dd>Referenced in
<a href=https://w3c.github.io/editing/docs/execCommand/ title='ul is referenced by execCommand'>execCommand</a>,
<a href=https://drafts.csswg.org/css-lists-3/ title='ul is referenced by CSS Lists 3'>CSS Lists 3</a>,
<a href=https://w3c.github.io/html-aam/ title='ul is referenced by HTML Accessibility API Mappings 1.0'>HTML Accessibility API Mappings 1.0</a>,
<a href=https://w3c.github.io/html-aria/ title='ul is referenced by ARIA in HTML'>ARIA in HTML</a>,
<a href=https://w3c.github.io/pub-manifest/ title='ul is referenced by Publication Manifest'>Publication Manifest</a>,
<a href=https://w3c.github.io/aria/ title='ul is referenced by WAI-ARIA'>WAI-ARIA</a>,
<a href=https://w3c.github.io/aria/ title='ul is referenced by WAI-ARIA'>WAI-ARIA</a></dd>
<dd>Related terms: <em>markup attribute</em> <a href='c.html#compact@@ul@element-attr'><code>compact</code></a>, <em>markup attribute</em> <a href='t.html#type@@ul@element-attr'><code>type</code></a></dd>
<dt id="ULongRange@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>ULongRange</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#ULongRange%40%40%40%40dictionary' aria-label="Permalink for ULongRange">§</a></span></dt>
<dd>Defined in <strong title='ULongRange is defined in Media Capture and Streams'><a href=https://w3c.github.io/mediacapture-main/#dom-ulongrange>Media Capture and Streams</a></strong> </dd>
<dd>Related terms: <code>ULongRange.</code><a href='m.html#max@@ULongRange@dict-member'><code>max</code></a>, <code>ULongRange.</code><a href='m.html#min@@ULongRange@dict-member'><code>min</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/ULongRange.html' title='ULongRange entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="ultimate originating element@@selectors%%dfn"><code class=prefix></code><span><strong>ultimate originating element</strong> (<em>concept</em>) <a class='self-link' href='#ultimate%20originating%20element%40%40selectors%25%25dfn' aria-label="Permalink for ultimate originating element">§</a></span></dt>
<dd>Defined in <strong title='ultimate originating element is defined in Selectors 4'><a href=https://drafts.csswg.org/selectors-4/#ultimate-originating-element>Selectors 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-pseudo-4/ title='ultimate originating element is referenced by CSS Pseudo-Elements 4'>CSS Pseudo-Elements 4</a>,
<a href=https://drafts.csswg.org/css-view-transitions-1/ title='ultimate originating element is referenced by CSS View Transitions 1'>CSS View Transitions 1</a></dd>
<dt id="ultra-condensed@@CanvasFontStretch@enum-value"><code class=prefix></code><span><strong><code class=webidl>"ultra-condensed"</code></strong> (<em>value for <a href='c.html#CanvasFontStretch@@@@enum'><code>CanvasFontStretch</code></a> WebIDL enumeration</em>) <a class='self-link' href='#ultra-condensed%40%40CanvasFontStretch%40enum-value' aria-label="Permalink for ultra-condensed">§</a></span></dt>
<dd>Defined in <strong title='ultra-condensed is defined in HTML'><a href=https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-fontstretch-ultra-condensed>HTML</a></strong> </dd>
<dt id="ultra-condensed@@font-width@value"><code class=prefix></code><span><strong><code class=css>ultra-condensed</code></strong> (<em>CSS value for <a href='f.html#font-width@@@@property'><code>font-width</code></a> </em>) <a class='self-link' href='#ultra-condensed%40%40font-width%40value' aria-label="Permalink for ultra-condensed">§</a></span></dt>
<dd>Defined in <strong title='ultra-condensed is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-width-ultra-condensed>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='ultra-condensed is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="ultra-expanded@@CanvasFontStretch@enum-value"><code class=prefix></code><span><strong><code class=webidl>"ultra-expanded"</code></strong> (<em>value for <a href='c.html#CanvasFontStretch@@@@enum'><code>CanvasFontStretch</code></a> WebIDL enumeration</em>) <a class='self-link' href='#ultra-expanded%40%40CanvasFontStretch%40enum-value' aria-label="Permalink for ultra-expanded">§</a></span></dt>
<dd>Defined in <strong title='ultra-expanded is defined in HTML'><a href=https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-fontstretch-ultra-expanded>HTML</a></strong> </dd>
<dt id="ultra-expanded@@font-width@value"><code class=prefix></code><span><strong><code class=css>ultra-expanded</code></strong> (<em>CSS value for <a href='f.html#font-width@@@@property'><code>font-width</code></a> </em>) <a class='self-link' href='#ultra-expanded%40%40font-width%40value' aria-label="Permalink for ultra-expanded">§</a></span></dt>
<dd>Defined in <strong title='ultra-expanded is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-width-ultra-expanded>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='ultra-expanded is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="unable to close browser@@errors@dfn"><code class=prefix></code><span><strong>unable to close browser</strong> (<em>concept for <a href='e.html#[[errors]]@@GPU error scope@attribute'><code>[[errors]]</code></a> </em>) <a class='self-link' href='#unable%20to%20close%20browser%40%40errors%40dfn' aria-label="Permalink for unable to close browser">§</a></span></dt>
<dd>Defined in <strong title='unable to close browser is defined in WebDriver BiDi'><a href=https://w3c.github.io/webdriver-bidi/#errors-unable-to-close-browser>WebDriver BiDi</a></strong> </dd>
<dt id="unable to set cookie@@errors@dfn"><code class=prefix></code><span><strong>unable to set cookie</strong> (<em>concept for <a href='e.html#[[errors]]@@GPU error scope@attribute'><code>[[errors]]</code></a> </em>) <a class='self-link' href='#unable%20to%20set%20cookie%40%40errors%40dfn' aria-label="Permalink for unable to set cookie">§</a></span></dt>
<dd>Defined in <strong title='unable to set cookie is defined in WebDriver BiDi'><a href=https://w3c.github.io/webdriver-bidi/#errors-unable-to-set-cookie>WebDriver BiDi</a></strong> </dd>
<dt id="unable to set file input@@errors@dfn"><code class=prefix></code><span><strong>unable to set file input</strong> (<em>concept for <a href='e.html#[[errors]]@@GPU error scope@attribute'><code>[[errors]]</code></a> </em>) <a class='self-link' href='#unable%20to%20set%20file%20input%40%40errors%40dfn' aria-label="Permalink for unable to set file input">§</a></span></dt>
<dd>Defined in <strong title='unable to set file input is defined in WebDriver BiDi'><a href=https://w3c.github.io/webdriver-bidi/#errors-unable-to-set-file-input>WebDriver BiDi</a></strong> </dd>
<dt id="unadjustedMovement@@PointerLockOptions@dict-member"><code class=prefix><a href='p.html#PointerLockOptions@@@@dictionary'>PointerLockOptions</a>.</code><span><strong><code class=webidl>unadjustedMovement</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#unadjustedMovement%40%40PointerLockOptions%40dict-member' aria-label="Permalink for <a href='p.html#PointerLockOptions@@@@dictionary'>PointerLockOptions</a>.unadjustedMovement">§</a></span></dt>
<dd>Defined in <strong title='unadjustedMovement is defined in Pointer Lock 2.0'><a href=https://w3c.github.io/pointerlock/#dom-pointerlockoptions-unadjustedmovement>Pointer Lock 2.0</a></strong> </dd>
<dt id="unauthenticated response@@mixed-content%%dfn"><code class=prefix></code><span><strong>unauthenticated response</strong> (<em>concept</em>) <a class='self-link' href='#unauthenticated%20response%40%40mixed-content%25%25dfn' aria-label="Permalink for unauthenticated response">§</a></span></dt>
<dd>Defined in <strong title='unauthenticated response is defined in Mixed Content'><a href=https://w3c.github.io/webappsec-mixed-content/#unauthenticated-response>Mixed Content</a></strong> </dd>
<dt id="unavailable@@SmartCardReaderStateFlagsIn@dict-member"><code class=prefix><a href='s.html#SmartCardReaderStateFlagsIn@@@@dictionary'>SmartCardReaderStateFlagsIn</a>.</code><span><strong><code class=webidl>unavailable</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#unavailable%40%40SmartCardReaderStateFlagsIn%40dict-member' aria-label="Permalink for <a href='s.html#SmartCardReaderStateFlagsIn@@@@dictionary'>SmartCardReaderStateFlagsIn</a>.unavailable">§</a></span></dt>
<dd>Defined in <strong title='unavailable is defined in Web Smart Card API'><a href=https://wicg.github.io/web-smart-card/#dom-smartcardreaderstateflagsin-unavailable>Web Smart Card API</a></strong> </dd>
<dt id="unavailable@@SmartCardReaderStateFlagsOut@dict-member"><code class=prefix><a href='s.html#SmartCardReaderStateFlagsOut@@@@dictionary'>SmartCardReaderStateFlagsOut</a>.</code><span><strong><code class=webidl>unavailable</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#unavailable%40%40SmartCardReaderStateFlagsOut%40dict-member' aria-label="Permalink for <a href='s.html#SmartCardReaderStateFlagsOut@@@@dictionary'>SmartCardReaderStateFlagsOut</a>.unavailable">§</a></span></dt>
<dd>Defined in <strong title='unavailable is defined in Web Smart Card API'><a href=https://wicg.github.io/web-smart-card/#dom-smartcardreaderstateflagsout-unavailable>Web Smart Card API</a></strong> </dd>
<dt id="unaware@@SmartCardReaderStateFlagsIn@dict-member"><code class=prefix><a href='s.html#SmartCardReaderStateFlagsIn@@@@dictionary'>SmartCardReaderStateFlagsIn</a>.</code><span><strong><code class=webidl>unaware</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#unaware%40%40SmartCardReaderStateFlagsIn%40dict-member' aria-label="Permalink for <a href='s.html#SmartCardReaderStateFlagsIn@@@@dictionary'>SmartCardReaderStateFlagsIn</a>.unaware">§</a></span></dt>
<dd>Defined in <strong title='unaware is defined in Web Smart Card API'><a href=https://wicg.github.io/web-smart-card/#dom-smartcardreaderstateflagsin-unaware>Web Smart Card API</a></strong> </dd>
<dt id="unbounded@@XRReferenceSpaceType@enum-value"><code class=prefix></code><span><strong><code class=webidl>"unbounded"</code></strong> (<em>value for <a href='x.html#XRReferenceSpaceType@@@@enum'><code>XRReferenceSpaceType</code></a> WebIDL enumeration</em>) <a class='self-link' href='#unbounded%40%40XRReferenceSpaceType%40enum-value' aria-label="Permalink for unbounded">§</a></span></dt>
<dd>Defined in <strong title='unbounded is defined in WebXR Device API'><a href=https://immersive-web.github.io/webxr/#dom-xrreferencespacetype-unbounded>WebXR Device API</a></strong> </dd>
<dd>Referenced in
<a href=https://immersive-web.github.io/layers/ title='unbounded is referenced by WebXR Layers API 1'>WebXR Layers API 1</a></dd>
<dt id="UncalibratedMagnetometer@@@@interface"><code class=prefix></code><span><strong><code class=webidl>UncalibratedMagnetometer</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#UncalibratedMagnetometer%40%40%40%40interface' aria-label="Permalink for UncalibratedMagnetometer">§</a></span></dt>
<dd>Defined in <strong title='UncalibratedMagnetometer is defined in Magnetometer'><a href=https://w3c.github.io/magnetometer/#uncalibratedmagnetometer>Magnetometer</a></strong> </dd>
<dd>Related terms: <code>UncalibratedMagnetometer.</code><a href='x.html#x@@UncalibratedMagnetometer@attribute'><code>x</code></a>, <code>UncalibratedMagnetometer.</code><a href='x.html#xBias@@UncalibratedMagnetometer@attribute'><code>xBias</code></a>, <code>UncalibratedMagnetometer.</code><a href='y.html#y@@UncalibratedMagnetometer@attribute'><code>y</code></a>, <code>UncalibratedMagnetometer.</code><a href='y.html#yBias@@UncalibratedMagnetometer@attribute'><code>yBias</code></a>, <code>UncalibratedMagnetometer.</code><a href='z.html#z@@UncalibratedMagnetometer@attribute'><code>z</code></a>, <code>UncalibratedMagnetometer.</code><a href='z.html#zBias@@UncalibratedMagnetometer@attribute'><code>zBias</code></a>, <code>new </code><a href='u.html#UncalibratedMagnetometer(sensorOptions)@@UncalibratedMagnetometer@constructor'><code>UncalibratedMagnetometer(sensorOptions)</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UncalibratedMagnetometer.html' title='UncalibratedMagnetometer entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UncalibratedMagnetometer(sensorOptions)@@UncalibratedMagnetometer@constructor"><code class=prefix>new </code><span><strong><code class=webidl>UncalibratedMagnetometer(sensorOptions)</code></strong> (<em>WebIDL constructor</em>) <a class='self-link' href='#UncalibratedMagnetometer(sensorOptions)%40%40UncalibratedMagnetometer%40constructor' aria-label="Permalink for new UncalibratedMagnetometer(sensorOptions)">§</a></span></dt>
<dd>Defined in <strong title='UncalibratedMagnetometer(sensorOptions) is defined in Magnetometer'><a href=https://w3c.github.io/magnetometer/#dom-uncalibratedmagnetometer-uncalibratedmagnetometer>Magnetometer</a></strong> </dd>
<dt id="uncapturederror@@GPUDevice@event"><code class=prefix></code><span><strong><code class=webidl>uncapturederror</code></strong> (<em>event for <a href='g.html#GPUDevice@@@@interface'><code>GPUDevice</code></a> </em>) <a class='self-link' href='#uncapturederror%40%40GPUDevice%40event' aria-label="Permalink for uncapturederror">§</a></span></dt>
<dd>Defined in <strong title='uncapturederror is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#eventdef-gpudevice-uncapturederror>WebGPU</a></strong> </dd>
<dt id="unclippedDepth@@GPUPrimitiveState@dict-member"><code class=prefix><a href='g.html#GPUPrimitiveState@@@@dictionary'>GPUPrimitiveState</a>.</code><span><strong><code class=webidl>unclippedDepth</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#unclippedDepth%40%40GPUPrimitiveState%40dict-member' aria-label="Permalink for <a href='g.html#GPUPrimitiveState@@@@dictionary'>GPUPrimitiveState</a>.unclippedDepth">§</a></span></dt>
<dd>Defined in <strong title='unclippedDepth is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpuprimitivestate-unclippeddepth>WebGPU</a></strong> </dd>
<dt id="unconfigure()@@GPUCanvasContext@method"><code class=prefix><a href='g.html#GPUCanvasContext@@@@interface'>GPUCanvasContext</a>.</code><span><strong><code class=webidl>unconfigure()</code></strong> (<em>WebIDL operation</em>) <a class='self-link' href='#unconfigure()%40%40GPUCanvasContext%40method' aria-label="Permalink for <a href='g.html#GPUCanvasContext@@@@interface'>GPUCanvasContext</a>.unconfigure()">§</a></span></dt>
<dd>Defined in <strong title='unconfigure() is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gpucanvascontext-unconfigure>WebGPU</a></strong> </dd>
<dt id="unconfigured@@CodecState@enum-value"><code class=prefix></code><span><strong><code class=webidl>"unconfigured"</code></strong> (<em>value for <a href='c.html#CodecState@@@@enum'><code>CodecState</code></a> WebIDL enumeration</em>) <a class='self-link' href='#unconfigured%40%40CodecState%40enum-value' aria-label="Permalink for unconfigured">§</a></span></dt>
<dd>Defined in <strong title='unconfigured is defined in WebCodecs'><a href=https://w3c.github.io/webcodecs/#dom-codecstate-unconfigured>WebCodecs</a></strong> </dd>
<dt id="uncredentialed-prefetch@@Supports-Loading-Mode@dfn"><code class=prefix></code><span><strong>uncredentialed-prefetch</strong> (<em>concept for <code>Supports-Loading-Mode</code> </em>) <a class='self-link' href='#uncredentialed-prefetch%40%40Supports-Loading-Mode%40dfn' aria-label="Permalink for uncredentialed-prefetch">§</a></span></dt>
<dd>Defined in <strong title='uncredentialed-prefetch is defined in Prerendering Revamped'><a href=https://wicg.github.io/nav-speculation/prerendering.html#supports-loading-mode-uncredentialed-prefetch>Prerendering Revamped</a></strong> </dd>
<dt id="undefined@@@@interface"><code class=prefix></code><span><strong><code class=webidl>undefined</code></strong> (<em>WebIDL interface</em>) <a class='self-link' href='#undefined%40%40%40%40interface' aria-label="Permalink for undefined">§</a></span></dt>
<dd>Defined in <strong title='undefined is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#idl-undefined>Web IDL</a></strong> </dd>
<dd>Referenced in
<a href=https://console.spec.whatwg.org/ title='undefined is referenced by Console'>Console</a>,
<a href=https://dom.spec.whatwg.org/ title='undefined is referenced by DOM'>DOM</a>,
<a href=https://fetch.spec.whatwg.org/ title='undefined is referenced by Fetch'>Fetch</a>,
<a href=https://fs.spec.whatwg.org/ title='undefined is referenced by File System'>File System</a>,
<a href=https://fullscreen.spec.whatwg.org/ title='undefined is referenced by Fullscreen API'>Fullscreen API</a>,
<a href=https://immersive-web.github.io/anchors/ title='undefined is referenced by WebXR Anchors'>WebXR Anchors</a>,
<a href=https://immersive-web.github.io/real-world-geometry/plane-detection.html title='undefined is referenced by WebXR Plane Detection'>WebXR Plane Detection</a>,
<a href=https://notifications.spec.whatwg.org/ title='undefined is referenced by Notifications API'>Notifications API</a>,
<a href=https://patcg-individual-drafts.github.io/private-aggregation-api/ title='undefined is referenced by Private Aggregation API'>Private Aggregation API</a>,
<a href=https://privacycg.github.io/requestStorageAccessFor/ title='undefined is referenced by requestStorageAccessFor API'>requestStorageAccessFor API</a>,
<a href=https://privacycg.github.io/saa-non-cookie-storage/ title='undefined is referenced by Extending Storage Access API to non-cookie storage'>Extending Storage Access API to non-cookie storage</a>,
<a href=https://privacycg.github.io/storage-access/ title='undefined is referenced by The Storage Access API'>The Storage Access API</a>,
<a href=https://screen-share.github.io/element-capture/ title='undefined is referenced by Element Capture'>Element Capture</a>,
<a href=https://streams.spec.whatwg.org/ title='undefined is referenced by Streams'>Streams</a>,
<a href=https://testutils.spec.whatwg.org/ title='undefined is referenced by Test Utils'>Test Utils</a>,
<a href=https://url.spec.whatwg.org/ title='undefined is referenced by URL'>URL</a>,
<a href=https://urlpattern.spec.whatwg.org/ title='undefined is referenced by URL Pattern'>URL Pattern</a>,
<a href=https://w3c-fedid.github.io/login-status/ title='undefined is referenced by Login Status API'>Login Status API</a>,
<a href=https://w3c.github.io/mediacapture-handle/actions/ title='undefined is referenced by The Capture-Handle Actions Mechanism'>The Capture-Handle Actions Mechanism</a>,
<a href=https://w3c.github.io/mediacapture-surface-control/ title='undefined is referenced by Captured Surface Control'>Captured Surface Control</a>,
<a href=https://w3c.github.io/web-nfc/ title='undefined is referenced by Web NFC API'>Web NFC API</a>,
<a href=https://w3c.github.io/webrtc-ice/ title='undefined is referenced by IceTransport Extensions for WebRTC'>IceTransport Extensions for WebRTC</a>,
<a href=https://webassembly.github.io/content-security-policy/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface: Content Security Policy'>WebAssembly JavaScript Interface: Content Security Policy</a>,
<a href=https://webassembly.github.io/esm-integration/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface: ESM Integration'>WebAssembly JavaScript Interface: ESM Integration</a>,
<a href=https://webassembly.github.io/exception-handling/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface: Exception Handling'>WebAssembly JavaScript Interface: Exception Handling</a>,
<a href=https://webassembly.github.io/js-promise-integration/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface: Promise Integration'>WebAssembly JavaScript Interface: Promise Integration</a>,
<a href=https://webassembly.github.io/js-string-builtins/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface: JS String Builtins'>WebAssembly JavaScript Interface: JS String Builtins</a>,
<a href=https://webassembly.github.io/js-types/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface: Type Reflection'>WebAssembly JavaScript Interface: Type Reflection</a>,
<a href=https://webbluetoothcg.github.io/web-bluetooth/ title='undefined is referenced by Web Bluetooth'>Web Bluetooth</a>,
<a href=https://webbluetoothcg.github.io/web-bluetooth/scanning.html title='undefined is referenced by Web Bluetooth Scanning'>Web Bluetooth Scanning</a>,
<a href=https://websockets.spec.whatwg.org/ title='undefined is referenced by WebSockets'>WebSockets</a>,
<a href=https://wicg.github.io/attribution-reporting-api/ title='undefined is referenced by Attribution Reporting'>Attribution Reporting</a>,
<a href=https://wicg.github.io/background-sync/spec/ title='undefined is referenced by Background Sync'>Background Sync</a>,
<a href=https://wicg.github.io/cookie-store/ title='undefined is referenced by Cookie Store API'>Cookie Store API</a>,
<a href=https://wicg.github.io/digital-goods/ title='undefined is referenced by Digital Goods API'>Digital Goods API</a>,
<a href=https://wicg.github.io/direct-sockets/ title='undefined is referenced by Direct Sockets API'>Direct Sockets API</a>,
<a href=https://wicg.github.io/entries-api/ title='undefined is referenced by File and Directory Entries API'>File and Directory Entries API</a>,
<a href=https://wicg.github.io/fenced-frame/ title='undefined is referenced by Fenced Frame'>Fenced Frame</a>,
<a href=https://wicg.github.io/handwriting-recognition/ title='undefined is referenced by Handwriting Recognition API'>Handwriting Recognition API</a>,
<a href=https://wicg.github.io/idle-detection/ title='undefined is referenced by Idle Detection API'>Idle Detection API</a>,
<a href=https://wicg.github.io/ink-enhancement/ title='undefined is referenced by Ink API'>Ink API</a>,
<a href=https://wicg.github.io/nav-speculation/prerendering.html title='undefined is referenced by Prerendering Revamped'>Prerendering Revamped</a>,
<a href=https://wicg.github.io/observable/ title='undefined is referenced by Observable'>Observable</a>,
<a href=https://wicg.github.io/sanitizer-api/ title='undefined is referenced by HTML Sanitizer API'>HTML Sanitizer API</a>,
<a href=https://wicg.github.io/scheduling-apis/ title='undefined is referenced by Prioritized Task Scheduling'>Prioritized Task Scheduling</a>,
<a href=https://wicg.github.io/serial/ title='undefined is referenced by Web Serial API'>Web Serial API</a>,
<a href=https://wicg.github.io/shared-storage/ title='undefined is referenced by Shared Storage API'>Shared Storage API</a>,
<a href=https://wicg.github.io/storage-buckets/ title='undefined is referenced by Storage Buckets API'>Storage Buckets API</a>,
<a href=https://wicg.github.io/trust-token-api/ title='undefined is referenced by Private State Token API'>Private State Token API</a>,
<a href=https://wicg.github.io/turtledove/ title='undefined is referenced by Protected Audience'>Protected Audience</a>,
<a href=https://wicg.github.io/video-rvfc/ title='undefined is referenced by HTMLVideoElement.requestVideoFrameCallback()'>HTMLVideoElement.requestVideoFrameCallback()</a>,
<a href=https://wicg.github.io/web-app-launch/ title='undefined is referenced by Web App Launch Handler API'>Web App Launch Handler API</a>,
<a href=https://wicg.github.io/web-preferences-api/ title='undefined is referenced by Web Preferences API'>Web Preferences API</a>,
<a href=https://wicg.github.io/web-smart-card/ title='undefined is referenced by Web Smart Card API'>Web Smart Card API</a>,
<a href=https://wicg.github.io/webhid/ title='undefined is referenced by WebHID API'>WebHID API</a>,
<a href=https://wicg.github.io/webusb/ title='undefined is referenced by WebUSB API'>WebUSB API</a>,
<a href=https://wicg.github.io/writing-assistance-apis/ title='undefined is referenced by Writing Assistance APIs'>Writing Assistance APIs</a>,
<a href=https://w3c.github.io/mediacapture-output/ title='undefined is referenced by Audio Output Devices API'>Audio Output Devices API</a>,
<a href=https://w3c.github.io/badging/ title='undefined is referenced by Badging API'>Badging API</a>,
<a href=https://w3c.github.io/mediacapture-handle/identity/ title='undefined is referenced by Capture Handle - Bootstrapping Collaboration when Screensharing'>Capture Handle - Bootstrapping Collaboration when Screensharing</a>,
<a href=https://w3c.github.io/clipboard-apis/ title='undefined is referenced by Clipboard API and events'>Clipboard API and events</a>,
<a href=https://w3c.github.io/compute-pressure/ title='undefined is referenced by Compute Pressure 1'>Compute Pressure 1</a>,
<a href=https://w3c.github.io/webappsec-credential-management/ title='undefined is referenced by Credential Management 1'>Credential Management 1</a>,
<a href=https://drafts.css-houdini.org/css-animationworklet-1/ title='undefined is referenced by CSS Animation Worklet API'>CSS Animation Worklet API</a>,
<a href=https://drafts.csswg.org/css-animations-1/ title='undefined is referenced by CSS Animations 1'>CSS Animations 1</a>,
<a href=https://drafts.csswg.org/css-font-loading-3/ title='undefined is referenced by CSS Font Loading 3'>CSS Font Loading 3</a>,
<a href=https://drafts.csswg.org/css-fonts-4/ title='undefined is referenced by CSS Fonts 4'>CSS Fonts 4</a>,
<a href=https://drafts.css-houdini.org/css-layout-api-1/ title='undefined is referenced by CSS Layout API 1'>CSS Layout API 1</a>,
<a href=https://drafts.csswg.org/css-nav-1/ title='undefined is referenced by CSS Spatial Navigation 1'>CSS Spatial Navigation 1</a>,
<a href=https://drafts.css-houdini.org/css-paint-api-1/ title='undefined is referenced by CSS Painting API 1'>CSS Painting API 1</a>,
<a href=https://drafts.css-houdini.org/css-properties-values-api-1/ title='undefined is referenced by CSS Properties and Values API 1'>CSS Properties and Values API 1</a>,
<a href=https://drafts.css-houdini.org/css-typed-om-1/ title='undefined is referenced by CSS Typed OM 1'>CSS Typed OM 1</a>,
<a href=https://drafts.csswg.org/css-view-transitions-1/ title='undefined is referenced by CSS View Transitions 1'>CSS View Transitions 1</a>,
<a href=https://drafts.csswg.org/cssom-1/ title='undefined is referenced by CSSOM'>CSSOM</a>,
<a href=https://drafts.csswg.org/cssom-view-1/ title='undefined is referenced by CSSOM View'>CSSOM View</a>,
<a href=https://w3c.github.io/edit-context/ title='undefined is referenced by EditContext API'>EditContext API</a>,
<a href=https://w3c.github.io/encrypted-media/ title='undefined is referenced by Encrypted Media Extensions'>Encrypted Media Extensions</a>,
<a href=https://w3c-fedid.github.io/FedCM/ title='undefined is referenced by Federated Credential Management API'>Federated Credential Management API</a>,
<a href=https://w3c.github.io/FileAPI/ title='undefined is referenced by File API'>File API</a>,
<a href=https://drafts.fxtf.org/filter-effects-1/ title='undefined is referenced by Filter Effects 1'>Filter Effects 1</a>,
<a href=https://w3c.github.io/sensors/ title='undefined is referenced by Generic Sensor API'>Generic Sensor API</a>,
<a href=https://w3c.github.io/geolocation/ title='undefined is referenced by Geolocation'>Geolocation</a>,
<a href=https://w3c.github.io/IndexedDB/ title='undefined is referenced by Indexed DB 3.0'>Indexed DB 3.0</a>,
<a href=https://w3c.github.io/json-ld-api/ title='undefined is referenced by JSON-LD 1.1 Processing Algorithms and API'>JSON-LD 1.1 Processing Algorithms and API</a>,
<a href=https://w3c.github.io/media-source/ title='undefined is referenced by Media Source Extensions™'>Media Source Extensions™</a>,
<a href=https://w3c.github.io/mediacapture-fromelement/ title='undefined is referenced by Media Capture from DOM Elements'>Media Capture from DOM Elements</a>,
<a href=https://w3c.github.io/mediacapture-region/ title='undefined is referenced by Region Capture'>Region Capture</a>,
<a href=https://w3c.github.io/mediacapture-main/ title='undefined is referenced by Media Capture and Streams'>Media Capture and Streams</a>,
<a href=https://drafts.csswg.org/mediaqueries-5/ title='undefined is referenced by Media Queries 5'>Media Queries 5</a>,
<a href=https://w3c.github.io/mediasession/ title='undefined is referenced by Media Session'>Media Session</a>,
<a href=https://w3c.github.io/mediacapture-record/ title='undefined is referenced by MediaStream Recording'>MediaStream Recording</a>,
<a href=https://w3c.github.io/orientation-sensor/ title='undefined is referenced by Orientation Sensor'>Orientation Sensor</a>,
<a href=https://w3c.github.io/payment-handler/ title='undefined is referenced by Payment Handler API'>Payment Handler API</a>,
<a href=https://w3c.github.io/payment-request/ title='undefined is referenced by Payment Request API'>Payment Request API</a>,
<a href=https://w3c.github.io/performance-timeline/ title='undefined is referenced by Performance Timeline'>Performance Timeline</a>,
<a href=https://w3c.github.io/picture-in-picture/ title='undefined is referenced by Picture-in-Picture'>Picture-in-Picture</a>,
<a href=https://w3c.github.io/pointerevents/ title='undefined is referenced by Pointer Events'>Pointer Events</a>,
<a href=https://w3c.github.io/pointerevents/ title='undefined is referenced by Pointer Events'>Pointer Events</a>,
<a href=https://w3c.github.io/pointerlock/ title='undefined is referenced by Pointer Lock 2.0'>Pointer Lock 2.0</a>,
<a href=https://w3c.github.io/presentation-api/ title='undefined is referenced by Presentation API'>Presentation API</a>,
<a href=https://w3c.github.io/remote-playback/ title='undefined is referenced by Remote Playback API'>Remote Playback API</a>,
<a href=https://w3c.github.io/reporting/ title='undefined is referenced by Reporting API'>Reporting API</a>,
<a href=https://w3c.github.io/requestidlecallback/ title='undefined is referenced by requestIdleCallback()'>requestIdleCallback()</a>,
<a href=https://drafts.csswg.org/resize-observer-1/ title='undefined is referenced by Resize Observer'>Resize Observer</a>,
<a href=https://w3c.github.io/resource-timing/ title='undefined is referenced by Resource Timing'>Resource Timing</a>,
<a href=https://w3c.github.io/mediacapture-screen-share/ title='undefined is referenced by Screen Capture'>Screen Capture</a>,
<a href=https://w3c.github.io/screen-orientation/ title='undefined is referenced by Screen Orientation'>Screen Orientation</a>,
<a href=https://w3c.github.io/screen-wake-lock/ title='undefined is referenced by Screen Wake Lock API'>Screen Wake Lock API</a>,
<a href=https://w3c.github.io/selection-api/ title='undefined is referenced by Selection API'>Selection API</a>,
<a href=https://w3c.github.io/ServiceWorker/ title='undefined is referenced by Service Workers'>Service Workers</a>,
<a href=https://w3c.github.io/uievents/ title='undefined is referenced by UI Events'>UI Events</a>,
<a href=https://w3c.github.io/user-timing/ title='undefined is referenced by User Timing'>User Timing</a>,
<a href=https://w3c.github.io/virtual-keyboard/ title='undefined is referenced by VirtualKeyboard API'>VirtualKeyboard API</a>,
<a href=https://webassembly.github.io/spec/js-api/ title='undefined is referenced by WebAssembly JavaScript Interface'>WebAssembly JavaScript Interface</a>,
<a href=https://drafts.csswg.org/web-animations-1/ title='undefined is referenced by Web Animations'>Web Animations</a>,
<a href=https://drafts.csswg.org/web-animations-2/ title='undefined is referenced by Web Animations 2'>Web Animations 2</a>,
<a href=https://w3c.github.io/web-share/ title='undefined is referenced by Web Share API'>Web Share API</a>,
<a href=https://webaudio.github.io/web-audio-api/ title='undefined is referenced by Web Audio API'>Web Audio API</a>,
<a href=https://webaudio.github.io/web-audio-api/ title='undefined is referenced by Web Audio API 1.1'>Web Audio API 1.1</a>,
<a href=https://w3c.github.io/webauthn/ title='undefined is referenced by Web Authentication'>Web Authentication</a>,
<a href=https://w3c.github.io/webcodecs/ title='undefined is referenced by WebCodecs'>WebCodecs</a>,
<a href=https://gpuweb.github.io/gpuweb/ title='undefined is referenced by WebGPU'>WebGPU</a>,
<a href=https://webaudio.github.io/web-midi-api/ title='undefined is referenced by Web MIDI API'>Web MIDI API</a>,
<a href=https://webmachinelearning.github.io/webnn/ title='undefined is referenced by Web Neural Network API'>Web Neural Network API</a>,
<a href=https://w3c.github.io/webrtc-encoded-transform/ title='undefined is referenced by WebRTC Encoded Transform'>WebRTC Encoded Transform</a>,
<a href=https://w3c.github.io/webrtc-identity/ title='undefined is referenced by Identity for WebRTC 1.0'>Identity for WebRTC 1.0</a>,
<a href=https://w3c.github.io/webrtc-pc/ title='undefined is referenced by WebRTC 1.0'>WebRTC 1.0</a>,
<a href=https://w3c.github.io/webtransport/ title='undefined is referenced by WebTransport'>WebTransport</a>,
<a href=https://immersive-web.github.io/hit-test/ title='undefined is referenced by WebXR Hit Test'>WebXR Hit Test</a>,
<a href=https://immersive-web.github.io/webxr/ title='undefined is referenced by WebXR Device API'>WebXR Device API</a>,
<a href=https://immersive-web.github.io/layers/ title='undefined is referenced by WebXR Layers API 1'>WebXR Layers API 1</a>,
<a href=https://xhr.spec.whatwg.org/ title='undefined is referenced by XMLHttpRequest'>XMLHttpRequest</a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/undefined.html' title='undefined entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="undefined@@globalThis@attribute"><code class=prefix><a href='g.html#globalThis@@globalThis@attribute'>globalThis</a>.</code><span><strong><code class=webidl>undefined</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#undefined%40%40globalThis%40attribute' aria-label="Permalink for <a href='g.html#globalThis@@globalThis@attribute'>globalThis</a>.undefined">§</a></span></dt>
<dd>Defined in <strong title='undefined is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/global-object.html#sec-undefined>ECMAScript</a></strong> </dd>
<dt id="under@@ruby-position@value"><code class=prefix></code><span><strong><code class=css>under</code></strong> (<em>CSS value for <a href='r.html#ruby-position@@@@property'><code>ruby-position</code></a> </em>) <a class='self-link' href='#under%40%40ruby-position%40value' aria-label="Permalink for under">§</a></span></dt>
<dd>Defined in <strong title='under is defined in CSS Ruby Annotation Layout 1'><a href=https://drafts.csswg.org/css-ruby-1/#valdef-ruby-position-under>CSS Ruby Annotation Layout 1</a></strong> </dd>
<dt id="under@@text-underline-position@value"><code class=prefix></code><span><strong><code class=css>under</code></strong> (<em>CSS value for <a href='t.html#text-underline-position@@@@property'><code>text-underline-position</code></a> </em>) <a class='self-link' href='#under%40%40text-underline-position%40value' aria-label="Permalink for under">§</a></span></dt>
<dd>Defined in <strong title='under is defined in CSS Text Decoration 3'><a href=https://drafts.csswg.org/css-text-decor-3/#underline-under>CSS Text Decoration 3</a></strong> , <strong title='under is defined in CSS Text Decoration 4'><a href=https://drafts.csswg.org/css-text-decor-4/#underline-under>CSS Text Decoration 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2022/ title='under is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='under is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="under@@text-emphasis-position@value"><code class=prefix></code><span><strong><code class=css>under</code></strong> (<em>CSS value for <a href='t.html#text-emphasis-position@@@@property'><code>text-emphasis-position</code></a> </em>) <a class='self-link' href='#under%40%40text-emphasis-position%40value' aria-label="Permalink for under">§</a></span></dt>
<dd>Defined in <strong title='under is defined in CSS Text Decoration 3'><a href=https://drafts.csswg.org/css-text-decor-3/#valdef-text-emphasis-position-under>CSS Text Decoration 3</a></strong> , <strong title='under is defined in CSS Text Decoration 4'><a href=https://drafts.csswg.org/css-text-decor-4/#valdef-text-emphasis-position-under>CSS Text Decoration 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2022/ title='under is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='under is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="under@@css-writing-modes%%dfn"><code class=prefix></code><span><strong>under</strong> (<em>concept</em>) <a class='self-link' href='#under%40%40css-writing-modes%25%25dfn' aria-label="Permalink for under">§</a></span></dt>
<dd>Defined in <strong title='under is defined in CSS Writing Modes 3'><a href=https://drafts.csswg.org/css-writing-modes-3/#under>CSS Writing Modes 3</a></strong> , <strong title='under is defined in CSS Writing Modes 4'><a href=https://drafts.csswg.org/css-writing-modes-4/#under>CSS Writing Modes 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2022/ title='under is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='under is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a>,
<a href=https://drafts.csswg.org/css-inline-3/ title='under is referenced by CSS Inline Layout 3'>CSS Inline Layout 3</a>,
<a href=https://drafts.csswg.org/css-rhythm-1/ title='under is referenced by CSS Rhythmic Sizing'>CSS Rhythmic Sizing</a>,
<a href=https://drafts.csswg.org/css-text-decor-3/ title='under is referenced by CSS Text Decoration 3'>CSS Text Decoration 3</a>,
<a href=https://drafts.csswg.org/css-text-decor-4/ title='under is referenced by CSS Text Decoration 4'>CSS Text Decoration 4</a>,
<a href=https://drafts.csswg.org/css-ui-4/ title='under is referenced by CSS User Interface 4'>CSS User Interface 4</a></dd>
<dt id="underline@@text-decoration-line@value"><code class=prefix></code><span><strong><code class=css>underline</code></strong> (<em>CSS value for <a href='t.html#text-decoration-line@@@@property'><code>text-decoration-line</code></a> </em>) <a class='self-link' href='#underline%40%40text-decoration-line%40value' aria-label="Permalink for underline">§</a></span></dt>
<dd>Defined in <strong title='underline is defined in CSS Text Decoration 3'><a href=https://drafts.csswg.org/css-text-decor-3/#valdef-text-decoration-line-underline>CSS Text Decoration 3</a></strong> , <strong title='underline is defined in CSS Text Decoration 4'><a href=https://drafts.csswg.org/css-text-decor-4/#valdef-text-decoration-line-underline>CSS Text Decoration 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2022/ title='underline is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='underline is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a>,
<a href=https://drafts.csswg.org/css-syntax-3/ title='underline is referenced by CSS Syntax 3'>CSS Syntax 3</a></dd>
<dt id="underline@@text-decoration@value"><code class=prefix></code><span><strong><code class=css>underline</code></strong> (<em>CSS value for <a href='t.html#text-decoration@@@@property'><code>text-decoration</code></a> </em>) <a class='self-link' href='#underline%40%40text-decoration%40value' aria-label="Permalink for underline">§</a></span></dt>
<dd>Defined in <strong title='underline is defined in CSS 2.2'><a href=https://drafts.csswg.org/css2/#valdef-text-decoration-underline>CSS 2.2</a></strong> </dd>
<dd>Referenced in
<a href=https://w3c.github.io/webvtt/ title='underline is referenced by WebVTT: The Web Video Text Tracks Format'>WebVTT: The Web Video Text Tracks Format</a></dd>
<dt id="UnderlineStyle@@@@enum"><code class=prefix></code><span><strong><code class=webidl>UnderlineStyle</code></strong> (<em>WebIDL enumeration</em>) <a class='self-link' href='#UnderlineStyle%40%40%40%40enum' aria-label="Permalink for UnderlineStyle">§</a></span></dt>
<dd>Defined in <strong title='UnderlineStyle is defined in EditContext API'><a href=https://w3c.github.io/edit-context/#dom-underlinestyle>EditContext API</a></strong> </dd>
<dd>Related terms: <em>value</em> <a href='d.html#dashed@@UnderlineStyle@enum-value'><code>dashed</code></a>, <em>value</em> <a href='d.html#dotted@@UnderlineStyle@enum-value'><code>dotted</code></a>, <em>value</em> <a href='n.html#none@@UnderlineStyle@enum-value'><code>none</code></a>, <em>value</em> <a href='s.html#solid@@UnderlineStyle@enum-value'><code>solid</code></a>, <em>value</em> <a href='w.html#wavy@@UnderlineStyle@enum-value'><code>wavy</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UnderlineStyle.html' title='UnderlineStyle entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="underlineStyle@@TextFormat@attribute"><code class=prefix><a href='t.html#TextFormat@@@@interface'>TextFormat</a>.</code><span><strong><code class=webidl>underlineStyle</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#underlineStyle%40%40TextFormat%40attribute' aria-label="Permalink for <a href='t.html#TextFormat@@@@interface'>TextFormat</a>.underlineStyle">§</a></span></dt>
<dd>Defined in <strong title='underlineStyle is defined in EditContext API'><a href=https://w3c.github.io/edit-context/#dom-textformat-underlinestyle>EditContext API</a></strong> </dd>
<dt id="underlineStyle@@TextFormatInit@dict-member"><code class=prefix><a href='t.html#TextFormatInit@@@@dictionary'>TextFormatInit</a>.</code><span><strong><code class=webidl>underlineStyle</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#underlineStyle%40%40TextFormatInit%40dict-member' aria-label="Permalink for <a href='t.html#TextFormatInit@@@@dictionary'>TextFormatInit</a>.underlineStyle">§</a></span></dt>
<dd>Defined in <strong title='underlineStyle is defined in EditContext API'><a href=https://w3c.github.io/edit-context/#dom-textformatinit-underlinestyle>EditContext API</a></strong> </dd>
<dt id="UnderlineThickness@@@@enum"><code class=prefix></code><span><strong><code class=webidl>UnderlineThickness</code></strong> (<em>WebIDL enumeration</em>) <a class='self-link' href='#UnderlineThickness%40%40%40%40enum' aria-label="Permalink for UnderlineThickness">§</a></span></dt>
<dd>Defined in <strong title='UnderlineThickness is defined in EditContext API'><a href=https://w3c.github.io/edit-context/#dom-underlinethickness>EditContext API</a></strong> </dd>
<dd>Related terms: <em>value</em> <a href='n.html#none@@UnderlineThickness@enum-value'><code>none</code></a>, <em>value</em> <a href='t.html#thick@@UnderlineThickness@enum-value'><code>thick</code></a>, <em>value</em> <a href='t.html#thin@@UnderlineThickness@enum-value'><code>thin</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UnderlineThickness.html' title='UnderlineThickness entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="underlineThickness@@TextFormat@attribute"><code class=prefix><a href='t.html#TextFormat@@@@interface'>TextFormat</a>.</code><span><strong><code class=webidl>underlineThickness</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#underlineThickness%40%40TextFormat%40attribute' aria-label="Permalink for <a href='t.html#TextFormat@@@@interface'>TextFormat</a>.underlineThickness">§</a></span></dt>
<dd>Defined in <strong title='underlineThickness is defined in EditContext API'><a href=https://w3c.github.io/edit-context/#dom-textformat-underlinethickness>EditContext API</a></strong> </dd>
<dt id="underlineThickness@@TextFormatInit@dict-member"><code class=prefix><a href='t.html#TextFormatInit@@@@dictionary'>TextFormatInit</a>.</code><span><strong><code class=webidl>underlineThickness</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#underlineThickness%40%40TextFormatInit%40dict-member' aria-label="Permalink for <a href='t.html#TextFormatInit@@@@dictionary'>TextFormatInit</a>.underlineThickness">§</a></span></dt>
<dd>Defined in <strong title='underlineThickness is defined in EditContext API'><a href=https://w3c.github.io/edit-context/#dom-textformatinit-underlinethickness>EditContext API</a></strong> </dd>
<dt id="underlying buffer@@BufferSource@dfn"><code class=prefix></code><span><strong>underlying buffer</strong> (<em>concept for <a href='b.html#BufferSource@@@@typedef'><code>BufferSource</code></a> </em>) <a class='self-link' href='#underlying%20buffer%40%40BufferSource%40dfn' aria-label="Permalink for underlying buffer">§</a></span></dt>
<dd>Defined in <strong title='underlying buffer is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#buffersource-underlying-buffer>Web IDL</a></strong> </dd>
<dd>Referenced in
<a href=https://fs.spec.whatwg.org/ title='underlying buffer is referenced by File System'>File System</a>,
<a href=https://streams.spec.whatwg.org/ title='underlying buffer is referenced by Streams'>Streams</a>,
<a href=https://w3c.github.io/webtransport/ title='underlying buffer is referenced by WebTransport'>WebTransport</a></dd>
<dt id="UnderlyingSink@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSink</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UnderlyingSink%40%40%40%40dictionary' aria-label="Permalink for UnderlyingSink">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSink is defined in Streams'><a href=https://streams.spec.whatwg.org/#dictdef-underlyingsink>Streams</a></strong> </dd>
<dd>Related terms: <code>UnderlyingSink.</code><a href='a.html#abort@@UnderlyingSink@dict-member'><code>abort</code></a>, <code>UnderlyingSink.</code><a href='c.html#close@@UnderlyingSink@dict-member'><code>close</code></a>, <code>UnderlyingSink.</code><a href='s.html#start@@UnderlyingSink@dict-member'><code>start</code></a>, <code>UnderlyingSink.</code><a href='t.html#type@@UnderlyingSink@dict-member'><code>type</code></a>, <code>UnderlyingSink.</code><a href='w.html#write@@UnderlyingSink@dict-member'><code>write</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UnderlyingSink.html' title='UnderlyingSink entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UnderlyingSinkAbortCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSinkAbortCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSinkAbortCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSinkAbortCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSinkAbortCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsinkabortcallback>Streams</a></strong> </dd>
<dt id="UnderlyingSinkCloseCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSinkCloseCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSinkCloseCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSinkCloseCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSinkCloseCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsinkclosecallback>Streams</a></strong> </dd>
<dt id="UnderlyingSinkStartCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSinkStartCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSinkStartCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSinkStartCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSinkStartCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsinkstartcallback>Streams</a></strong> </dd>
<dt id="UnderlyingSinkWriteCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSinkWriteCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSinkWriteCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSinkWriteCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSinkWriteCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsinkwritecallback>Streams</a></strong> </dd>
<dt id="UnderlyingSource@@@@dictionary"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSource</code></strong> (<em>WebIDL dictionary</em>) <a class='self-link' href='#UnderlyingSource%40%40%40%40dictionary' aria-label="Permalink for UnderlyingSource">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSource is defined in Streams'><a href=https://streams.spec.whatwg.org/#dictdef-underlyingsource>Streams</a></strong> </dd>
<dd>Related terms: <code>UnderlyingSource.</code><a href='a.html#autoAllocateChunkSize@@UnderlyingSource@dict-member'><code>autoAllocateChunkSize</code></a>, <code>UnderlyingSource.</code><a href='c.html#cancel@@UnderlyingSource@dict-member'><code>cancel</code></a>, <code>UnderlyingSource.</code><a href='p.html#pull@@UnderlyingSource@dict-member'><code>pull</code></a>, <code>UnderlyingSource.</code><a href='s.html#start@@UnderlyingSource@dict-member'><code>start</code></a>, <code>UnderlyingSource.</code><a href='t.html#type@@UnderlyingSource@dict-member'><code>type</code></a></dd>
<dd>see also <a href='https://dontcallmedom.github.io/webidlpedia/names/UnderlyingSource.html' title='UnderlyingSource entry on WebIDLpedia'>WebIDLPedia</a></dd><dt id="UnderlyingSourceCancelCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSourceCancelCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSourceCancelCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSourceCancelCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSourceCancelCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsourcecancelcallback>Streams</a></strong> </dd>
<dt id="UnderlyingSourcePullCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSourcePullCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSourcePullCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSourcePullCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSourcePullCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsourcepullcallback>Streams</a></strong> </dd>
<dt id="UnderlyingSourceStartCallback@@@@callback"><code class=prefix></code><span><strong><code class=webidl>UnderlyingSourceStartCallback</code></strong> (<em>WebIDL callback</em>) <a class='self-link' href='#UnderlyingSourceStartCallback%40%40%40%40callback' aria-label="Permalink for UnderlyingSourceStartCallback">§</a></span></dt>
<dd>Defined in <strong title='UnderlyingSourceStartCallback is defined in Streams'><a href=https://streams.spec.whatwg.org/#callbackdef-underlyingsourcestartcallback>Streams</a></strong> </dd>
<dt id="underrunRatio@@AudioRenderCapacityEvent@attribute"><code class=prefix><a href='a.html#AudioRenderCapacityEvent@@@@interface'>AudioRenderCapacityEvent</a>.</code><span><strong><code class=webidl>underrunRatio</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#underrunRatio%40%40AudioRenderCapacityEvent%40attribute' aria-label="Permalink for <a href='a.html#AudioRenderCapacityEvent@@@@interface'>AudioRenderCapacityEvent</a>.underrunRatio">§</a></span></dt>
<dt><code class=prefix><a href='a.html#AudioRenderCapacityEvent@@@@interface'>AudioRenderCapacityEvent</a>.</code><span><strong><code class=webidl>underrunRatio</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#underrunRatio%40%40AudioRenderCapacityEvent%40attribute' aria-label="Permalink for <a href='a.html#AudioRenderCapacityEvent@@@@interface'>AudioRenderCapacityEvent</a>.underrunRatio">§</a></span></dt>
<dd>Defined in <strong title='underrunRatio is defined in Web Audio API'><a href=https://webaudio.github.io/web-audio-api/#dom-audiorendercapacityevent-underrunratio>Web Audio API</a></strong> , <strong title='underrunRatio is defined in Web Audio API 1.1'><a href=https://webaudio.github.io/web-audio-api/#dom-audiorendercapacityevent-underrunratio>Web Audio API 1.1</a></strong> </dd>
<dt id="underrunRatio@@AudioRenderCapacityEventInit@dict-member"><code class=prefix><a href='a.html#AudioRenderCapacityEventInit@@@@dictionary'>AudioRenderCapacityEventInit</a>.</code><span><strong><code class=webidl>underrunRatio</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#underrunRatio%40%40AudioRenderCapacityEventInit%40dict-member' aria-label="Permalink for <a href='a.html#AudioRenderCapacityEventInit@@@@dictionary'>AudioRenderCapacityEventInit</a>.underrunRatio">§</a></span></dt>
<dt><code class=prefix><a href='a.html#AudioRenderCapacityEventInit@@@@dictionary'>AudioRenderCapacityEventInit</a>.</code><span><strong><code class=webidl>underrunRatio</code></strong> (<em>WebIDL dictionary member</em>) <a class='self-link' href='#underrunRatio%40%40AudioRenderCapacityEventInit%40dict-member' aria-label="Permalink for <a href='a.html#AudioRenderCapacityEventInit@@@@dictionary'>AudioRenderCapacityEventInit</a>.underrunRatio">§</a></span></dt>
<dd>Defined in <strong title='underrunRatio is defined in Web Audio API'><a href=https://webaudio.github.io/web-audio-api/#dom-audiorendercapacityeventinit-underrunratio>Web Audio API</a></strong> , <strong title='underrunRatio is defined in Web Audio API 1.1'><a href=https://webaudio.github.io/web-audio-api/#dom-audiorendercapacityeventinit-underrunratio>Web Audio API 1.1</a></strong> </dd>
<dt id="underscore@@caret-shape@value"><code class=prefix></code><span><strong><code class=css>underscore</code></strong> (<em>CSS value for <a href='c.html#caret-shape@@@@property'><code>caret-shape</code></a> </em>) <a class='self-link' href='#underscore%40%40caret-shape%40value' aria-label="Permalink for underscore">§</a></span></dt>
<dd>Defined in <strong title='underscore is defined in CSS User Interface 4'><a href=https://drafts.csswg.org/css-ui-4/#valdef-caret-shape-underscore>CSS User Interface 4</a></strong> </dd>
<dt id="underspecified storage partition@@errors@dfn"><code class=prefix></code><span><strong>underspecified storage partition</strong> (<em>concept for <a href='e.html#[[errors]]@@GPU error scope@attribute'><code>[[errors]]</code></a> </em>) <a class='self-link' href='#underspecified%20storage%20partition%40%40errors%40dfn' aria-label="Permalink for underspecified storage partition">§</a></span></dt>
<dd>Defined in <strong title='underspecified storage partition is defined in WebDriver BiDi'><a href=https://w3c.github.io/webdriver-bidi/#errors-underspecified-storage-partition>WebDriver BiDi</a></strong> </dd>
<dt id="unescape(string)@@globalThis@method"><code class=prefix><a href='g.html#globalThis@@globalThis@attribute'>globalThis</a>.</code><span><strong><code class=webidl>unescape(string)</code></strong> (<em>WebIDL operation</em>) <a class='self-link' href='#unescape(string)%40%40globalThis%40method' aria-label="Permalink for <a href='g.html#globalThis@@globalThis@attribute'>globalThis</a>.unescape(string)">§</a></span></dt>
<dd>Defined in <strong title='unescape(string) is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/additional-ecmascript-features-for-web-browsers.html#sec-unescape-string>ECMAScript</a></strong> </dd>
<dt id="unfilterable-float@@GPUTextureSampleType@enum-value"><code class=prefix></code><span><strong><code class=webidl>"unfilterable-float"</code></strong> (<em>value for <a href='g.html#GPUTextureSampleType@@@@enum'><code>GPUTextureSampleType</code></a> WebIDL enumeration</em>) <a class='self-link' href='#unfilterable-float%40%40GPUTextureSampleType%40enum-value' aria-label="Permalink for unfilterable-float">§</a></span></dt>
<dd>Defined in <strong title='unfilterable-float is defined in WebGPU'><a href=https://gpuweb.github.io/gpuweb/#dom-gputexturesampletype-unfilterable-float>WebGPU</a></strong> </dd>
<dd>Referenced in
<a href=https://gpuweb.github.io/gpuweb/wgsl/ title='unfilterable-float is referenced by WebGPU Shading Language'>WebGPU Shading Language</a></dd>
<dt id="unforced break@@css-break%%dfn"><code class=prefix></code><span><strong>unforced break</strong> (<em>concept</em>) <a class='self-link' href='#unforced%20break%40%40css-break%25%25dfn' aria-label="Permalink for unforced break">§</a></span></dt>
<dd>Defined in <strong title='unforced break is defined in CSS Fragmentation 3'><a href=https://drafts.csswg.org/css-break-3/#unforced-break>CSS Fragmentation 3</a></strong> , <strong title='unforced break is defined in CSS Fragmentation 4'><a href=https://drafts.csswg.org/css-break-4/#unforced-break>CSS Fragmentation 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2022/ title='unforced break is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='unforced break is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a>,
<a href=https://drafts.csswg.org/css-overflow-4/ title='unforced break is referenced by CSS Overflow 4'>CSS Overflow 4</a></dd>
<dt id="unforgeable@@webidl%%dfn"><code class=prefix></code><span><strong>unforgeable</strong> (<em>concept</em>) <a class='self-link' href='#unforgeable%40%40webidl%25%25dfn' aria-label="Permalink for unforgeable">§</a></span></dt>
<dd>Defined in <strong title='unforgeable is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#dfn-unforgeable-on-an-interface>Web IDL</a></strong> </dd>
<dt id="unforgeable property name@@webidl%%dfn"><code class=prefix></code><span><strong>unforgeable property name</strong> (<em>concept</em>) <a class='self-link' href='#unforgeable%20property%20name%40%40webidl%25%25dfn' aria-label="Permalink for unforgeable property name">§</a></span></dt>
<dd>Defined in <strong title='unforgeable property name is defined in Web IDL'><a href=https://webidl.spec.whatwg.org/#dfn-unforgeable-property-name>Web IDL</a></strong> </dd>
<dt id="unfrozen@@page-lifecycle%%dfn"><code class=prefix></code><span><strong>unfrozen</strong> (<em>concept</em>) <a class='self-link' href='#unfrozen%40%40page-lifecycle%25%25dfn' aria-label="Permalink for unfrozen">§</a></span></dt>
<dd>Defined in <strong title='unfrozen is defined in Page Lifecycle'><a href=https://wicg.github.io/page-lifecycle/#unfrozen>Page Lifecycle</a></strong> </dd>
<dt id="unhandledrejection@@Window@event"><code class=prefix></code><span><strong><code class=webidl>unhandledrejection</code></strong> (<em>event for <a href='w.html#Window@@@@interface'><code>Window</code></a>, <a href='w.html#WorkerGlobalScope@@@@interface'><code>WorkerGlobalScope</code></a> interface </em>) <a class='self-link' href='#unhandledrejection%40%40Window%40event' aria-label="Permalink for unhandledrejection">§</a></span></dt>
<dd>Defined in <strong title='unhandledrejection is defined in HTML'><a href=https://html.spec.whatwg.org/multipage/indices.html#event-unhandledrejection>HTML</a></strong> </dd>
<dd>Referenced in
<a href=https://streams.spec.whatwg.org/ title='unhandledrejection is referenced by Streams'>Streams</a>,
<a href=https://webidl.spec.whatwg.org/ title='unhandledrejection is referenced by Web IDL'>Web IDL</a>,
<a href=https://drafts.csswg.org/css-view-transitions-1/ title='unhandledrejection is referenced by CSS View Transitions 1'>CSS View Transitions 1</a></dd>
<dt id="Unicameral@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>Unicameral</strong> (<em>concept</em>) <a class='self-link' href='#Unicameral%40%40i18n-glossary%25%25dfn' aria-label="Permalink for Unicameral">§</a></span></dt>
<dd>Defined in <strong title='Unicameral is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicameral>Internationalization Glossary</a></strong> </dd>
<dt id="unicase@@CanvasFontVariantCaps@enum-value"><code class=prefix></code><span><strong><code class=webidl>"unicase"</code></strong> (<em>value for <a href='c.html#CanvasFontVariantCaps@@@@enum'><code>CanvasFontVariantCaps</code></a> WebIDL enumeration</em>) <a class='self-link' href='#unicase%40%40CanvasFontVariantCaps%40enum-value' aria-label="Permalink for unicase">§</a></span></dt>
<dd>Defined in <strong title='unicase is defined in HTML'><a href=https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-fontvariantcaps-unicase>HTML</a></strong> </dd>
<dt id="unicase@@font-variant-caps@value"><code class=prefix></code><span><strong><code class=css>unicase</code></strong> (<em>CSS value for <a href='f.html#font-variant-caps@@@@property'><code>font-variant-caps</code></a> </em>) <a class='self-link' href='#unicase%40%40font-variant-caps%40value' aria-label="Permalink for unicase">§</a></span></dt>
<dd>Defined in <strong title='unicase is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-variant-caps-unicase>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='unicase is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="unicode@@font-variant-emoji@value"><code class=prefix></code><span><strong><code class=css>unicode</code></strong> (<em>CSS value for <a href='f.html#font-variant-emoji@@@@property'><code>font-variant-emoji</code></a> </em>) <a class='self-link' href='#unicode%40%40font-variant-emoji%40value' aria-label="Permalink for unicode">§</a></span></dt>
<dd>Defined in <strong title='unicode is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#valdef-font-variant-emoji-unicode>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2023/ title='unicode is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a></dd>
<dt id="unicode@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode</strong> (<em>concept</em>) <a class='self-link' href='#unicode%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode">§</a></span></dt>
<dd>Defined in <strong title='unicode is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode>Internationalization Glossary</a></strong> </dd>
<dd>Referenced in
<a href=https://wicg.github.io/shared-storage/ title='unicode is referenced by Shared Storage API'>Shared Storage API</a></dd>
<dt id="unicode@@RegExp@attribute"><code class=prefix><a href='r.html#RegExp@@@@interface'>RegExp</a>.</code><span><strong><code class=webidl>unicode</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#unicode%40%40RegExp%40attribute' aria-label="Permalink for <a href='r.html#RegExp@@@@interface'>RegExp</a>.unicode">§</a></span></dt>
<dd>Defined in <strong title='unicode is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/text-processing.html#sec-get-regexp.prototype.unicode>ECMAScript</a></strong> </dd>
<dt id="unicode bidi algorithm@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode bidi algorithm</strong> (<em>concept</em>) <a class='self-link' href='#unicode%20bidi%20algorithm%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode bidi algorithm">§</a></span></dt>
<dd>Defined in <strong title='unicode bidi algorithm is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-bidi-algorithm>Internationalization Glossary</a></strong> </dd>
<dt id="Unicode code point@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>Unicode code point</strong> (<em>concept</em>) <a class='self-link' href='#Unicode%20code%20point%40%40i18n-glossary%25%25dfn' aria-label="Permalink for Unicode code point">§</a></span></dt>
<dd>Defined in <strong title='Unicode code point is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-code-point>Internationalization Glossary</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-highlight-api-1/ title='Unicode code point is referenced by CSS Custom Highlight API 1'>CSS Custom Highlight API 1</a></dd>
<dt id="unicode locale@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode locale</strong> (<em>concept</em>) <a class='self-link' href='#unicode%20locale%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode locale">§</a></span></dt>
<dd>Defined in <strong title='unicode locale is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-locale>Internationalization Glossary</a></strong> </dd>
<dt id="Unicode locale extension sequence@@ecma-402%%dfn"><code class=prefix></code><span><strong>Unicode locale extension sequence</strong> (<em>concept</em>) <a class='self-link' href='#Unicode%20locale%20extension%20sequence%40%40ecma-402%25%25dfn' aria-label="Permalink for Unicode locale extension sequence">§</a></span></dt>
<dd>Defined in <strong title='Unicode locale extension sequence is defined in ECMAScript Internationalization API'><a href=https://tc39.es/ecma402/#unicode-locale-extension-sequence>ECMAScript Internationalization API</a></strong> </dd>
<dt id="unicode normalization form c@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode normalization form c</strong> (<em>concept</em>) <a class='self-link' href='#unicode%20normalization%20form%20c%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode normalization form c">§</a></span></dt>
<dd>Defined in <strong title='unicode normalization form c is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-normalization-form-c>Internationalization Glossary</a></strong> </dd>
<dt id="unicode normalization form d@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode normalization form d</strong> (<em>concept</em>) <a class='self-link' href='#unicode%20normalization%20form%20d%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode normalization form d">§</a></span></dt>
<dd>Defined in <strong title='unicode normalization form d is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-normalization-form-d>Internationalization Glossary</a></strong> </dd>
<dt id="unicode normalization form kc@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode normalization form kc</strong> (<em>concept</em>) <a class='self-link' href='#unicode%20normalization%20form%20kc%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode normalization form kc">§</a></span></dt>
<dd>Defined in <strong title='unicode normalization form kc is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-normalization-form-kc>Internationalization Glossary</a></strong> </dd>
<dt id="unicode normalization form kd@@i18n-glossary%%dfn"><code class=prefix></code><span><strong>unicode normalization form kd</strong> (<em>concept</em>) <a class='self-link' href='#unicode%20normalization%20form%20kd%40%40i18n-glossary%25%25dfn' aria-label="Permalink for unicode normalization form kd">§</a></span></dt>
<dd>Defined in <strong title='unicode normalization form kd is defined in Internationalization Glossary'><a href=https://w3c.github.io/i18n-glossary/#dfn-unicode-normalization-form-kd>Internationalization Glossary</a></strong> </dd>
<dt id="unicode-bidi@@@@property"><code class=prefix></code><span><strong><code class=css>unicode-bidi</code></strong> (<em>CSS property</em>) <a class='self-link' href='#unicode-bidi%40%40%40%40property' aria-label="Permalink for unicode-bidi">§</a></span></dt>
<dd>Defined in <strong title='unicode-bidi is defined in CSS Writing Modes 3'><a href=https://drafts.csswg.org/css-writing-modes-3/#propdef-unicode-bidi>CSS Writing Modes 3</a></strong> , <strong title='unicode-bidi is defined in CSS Writing Modes 4'><a href=https://drafts.csswg.org/css-writing-modes-4/#propdef-unicode-bidi>CSS Writing Modes 4</a></strong> , <strong title='unicode-bidi is defined in CSS 2.1'><a href=https://www.w3.org/TR/CSS21/visuren.html#propdef-unicode-bidi>CSS 2.1</a></strong> , <strong title='unicode-bidi is defined in CSS 2.2'><a href=https://drafts.csswg.org/css2/#propdef-unicode-bidi>CSS 2.2</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-2022/ title='unicode-bidi is referenced by CSS Snapshot 2022'>CSS Snapshot 2022</a>,
<a href=https://drafts.csswg.org/css-2023/ title='unicode-bidi is referenced by CSS Snapshot 2023'>CSS Snapshot 2023</a>,
<a href=https://drafts.csswg.org/css-cascade-3/ title='unicode-bidi is referenced by CSS Cascading 3'>CSS Cascading 3</a>,
<a href=https://drafts.csswg.org/css-cascade-4/ title='unicode-bidi is referenced by CSS Cascading 4'>CSS Cascading 4</a>,
<a href=https://drafts.csswg.org/css-cascade-5/ title='unicode-bidi is referenced by CSS Cascading 5'>CSS Cascading 5</a>,
<a href=https://drafts.csswg.org/css-lists-3/ title='unicode-bidi is referenced by CSS Lists 3'>CSS Lists 3</a>,
<a href=https://drafts.csswg.org/css-overflow-4/ title='unicode-bidi is referenced by CSS Overflow 4'>CSS Overflow 4</a>,
<a href=https://drafts.csswg.org/css-pseudo-4/ title='unicode-bidi is referenced by CSS Pseudo-Elements 4'>CSS Pseudo-Elements 4</a>,
<a href=https://drafts.csswg.org/css-ruby-1/ title='unicode-bidi is referenced by CSS Ruby Annotation Layout 1'>CSS Ruby Annotation Layout 1</a>,
<a href=https://drafts.csswg.org/css-text-3/ title='unicode-bidi is referenced by CSS Text 3'>CSS Text 3</a>,
<a href=https://drafts.csswg.org/css-text-4/ title='unicode-bidi is referenced by CSS Text 4'>CSS Text 4</a>,
<a href=https://drafts.css-houdini.org/css-typed-om-1/ title='unicode-bidi is referenced by CSS Typed OM 1'>CSS Typed OM 1</a>,
<a href=https://drafts.csswg.org/css-ui-4/ title='unicode-bidi is referenced by CSS User Interface 4'>CSS User Interface 4</a>,
<a href=https://drafts.fxtf.org/filter-effects-1/ title='unicode-bidi is referenced by Filter Effects 1'>Filter Effects 1</a>,
<a href=https://w3c.github.io/webvtt/ title='unicode-bidi is referenced by WebVTT: The Web Video Text Tracks Format'>WebVTT: The Web Video Text Tracks Format</a></dd>
<dd>Related terms: <em>CSS value</em> <a href='b.html#bidi-override@@unicode-bidi@value'><code>bidi-override</code></a>, <em>CSS value</em> <a href='e.html#embed@@unicode-bidi@value'><code>embed</code></a>, <em>CSS value</em> <a href='i.html#isolate@@unicode-bidi@value'><code>isolate</code></a>, <em>CSS value</em> <a href='i.html#isolate-override@@unicode-bidi@value'><code>isolate-override</code></a>, <em>CSS value</em> <a href='n.html#normal@@unicode-bidi@value'><code>normal</code></a>, <em>CSS value</em> <a href='p.html#plaintext@@unicode-bidi@value'><code>plaintext</code></a></dd>
<dt id="unicode-range@@@font-face@descriptor"><code class=prefix></code><span><strong><code class=css>unicode-range</code></strong> (<em>CSS descriptor for <a href='f.html#@font-face@@@@at-rule'><code>@font-face</code></a> </em>) <a class='self-link' href='#unicode-range%40%40%40font-face%40descriptor' aria-label="Permalink for unicode-range">§</a></span></dt>
<dd>Defined in <strong title='unicode-range is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#descdef-font-face-unicode-range>CSS Fonts 4</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-syntax-3/ title='unicode-range is referenced by CSS Syntax 3'>CSS Syntax 3</a></dd>
<dt id="unicode-range@@CSSFontFaceDescriptors@attribute"><code class=prefix><a href='c.html#CSSFontFaceDescriptors@@@@interface'>CSSFontFaceDescriptors</a>.</code><span><strong><code class=webidl>unicode-range</code></strong> (<em>WebIDL attribute</em>) <a class='self-link' href='#unicode-range%40%40CSSFontFaceDescriptors%40attribute' aria-label="Permalink for <a href='c.html#CSSFontFaceDescriptors@@@@interface'>CSSFontFaceDescriptors</a>.unicode-range">§</a></span></dt>
<dd>Defined in <strong title='unicode-range is defined in CSS Fonts 4'><a href=https://drafts.csswg.org/css-fonts-4/#dom-cssfontfacedescriptors-unicode-range>CSS Fonts 4</a></strong> </dd>
<dt id="<unicode-range-token>@@@@type"><code class=prefix></code><span><strong><code class=css><unicode-range-token></code></strong> (<em>CSS type</em>) <a class='self-link' href='#%3Cunicode-range-token%3E%40%40%40%40type' aria-label="Permalink for <unicode-range-token>">§</a></span></dt>
<dd>Defined in <strong title='<unicode-range-token> is defined in CSS Syntax 3'><a href=https://drafts.csswg.org/css-syntax-3/#typedef-unicode-range-token>CSS Syntax 3</a></strong> </dd>
<dd>Referenced in
<a href=https://drafts.csswg.org/css-fonts-4/ title='<unicode-range-token> is referenced by CSS Fonts 4'>CSS Fonts 4</a></dd>
<dt id="UnicodeEscape@@ecmascript%%abstract-op"><code class=prefix></code><span><strong><code class=concept>UnicodeEscape</code></strong> (<em>algorithm</em>) <a class='self-link' href='#UnicodeEscape%40%40ecmascript%25%25abstract-op' aria-label="Permalink for UnicodeEscape">§</a></span></dt>
<dd>Defined in <strong title='UnicodeEscape is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/structured-data.html#sec-unicodeescape>ECMAScript</a></strong> </dd>
<dd>Referenced in
<a href=https://tc39.es/proposal-regex-escaping/ title='UnicodeEscape is referenced by RegExp.escape'>RegExp.escape</a></dd>
<dt id="UnicodeMatchProperty@@ecmascript%%abstract-op"><code class=prefix></code><span><strong><code class=concept>UnicodeMatchProperty</code></strong> (<em>algorithm</em>) <a class='self-link' href='#UnicodeMatchProperty%40%40ecmascript%25%25abstract-op' aria-label="Permalink for UnicodeMatchProperty">§</a></span></dt>
<dd>Defined in <strong title='UnicodeMatchProperty is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/text-processing.html#sec-runtime-semantics-unicodematchproperty-p>ECMAScript</a></strong> </dd>
<dd>Referenced in
<a href=https://tc39.es/proposal-regexp-modifiers/ title='UnicodeMatchProperty is referenced by Regular Expression Pattern Modifiers for ECMAScript'>Regular Expression Pattern Modifiers for ECMAScript</a></dd>
<dt id="UnicodeMatchPropertyValue@@ecmascript%%abstract-op"><code class=prefix></code><span><strong><code class=concept>UnicodeMatchPropertyValue</code></strong> (<em>algorithm</em>) <a class='self-link' href='#UnicodeMatchPropertyValue%40%40ecmascript%25%25abstract-op' aria-label="Permalink for UnicodeMatchPropertyValue">§</a></span></dt>
<dd>Defined in <strong title='UnicodeMatchPropertyValue is defined in ECMAScript'><a href=https://tc39.es/ecma262/multipage/text-processing.html#sec-runtime-semantics-unicodematchpropertyvalue-p-v>ECMAScript</a></strong> </dd>