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Selecting HTML elements became case sensitive #3750

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ge-ku opened this issue Jul 23, 2024 · 1 comment
Open

Selecting HTML elements became case sensitive #3750

ge-ku opened this issue Jul 23, 2024 · 1 comment
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selectors CSS Selectors support

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@ge-ku
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ge-ku commented Jul 23, 2024

Basic info:

  • Node.js version: 20.13.1
  • jsdom version: 24.1.1

Minimal reproduction case

const jsdom = require("jsdom");
const { JSDOM } = jsdom;

const dom = new JSDOM(`<!DOCTYPE html><myElement>Hello world</myElement>`);
console.log(dom.window.document.querySelector("myelement").textContent); // works in 24.1.1, 23.2.0 and 23.1.0
console.log(dom.window.document.querySelector("myElement").textContent); // error in 24.1.1, works in 23.2.0 and 23.1.0

How does similar code behave in browsers?

In browser case doesn't matter, document.querySelector('div') or document.querySelector('dIV') leads to the same result.
@domenic domenic added the selectors CSS Selectors support label Aug 25, 2024
@bakkot bakkot mentioned this issue Sep 29, 2024
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@bakkot
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bakkot commented Sep 29, 2024

This happened previously, incidentally.

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@domenic @bakkot @ge-ku