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linkgod/changes arguments to "true" array.js

Last active December 21, 2015 10:09
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changes arguments to "true" array
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changes arguments to "true" array.js
var argsArr = Array.prototype.slice.call(arguments);
// changes arguments to "true" array
// 把 arguments 转换成一个“真正的”数组
var nodesArr = Array.prototype.slice.call(document.querySelectorAll("div"));
// "true" array of DIVs
// 得到一个由 div 元素组成的“真正的”数组
// document.querySelectorAll("div")得到的不是一个类数组
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