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数组对象去重 #12

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arcsin1 opened this issue Nov 21, 2017 · 0 comments

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arcsin1 commented Nov 21, 2017 •

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Array.prototype.quc = function() {
    var res = [];
    var jso = {};
    for (var i = 0; i < this.length; i++) {
        if (!jso[JSON.stringify(this[i])]) {
            res.push(this[i]);
            jso[JSON.stringify(this[i])] = 1;
        };
    }
    return res;
}
const song = [
         {1:"羽根"},
         {1:"羽根"},
         {2:"晴天"},
         
     ]
    song.quc()

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