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JavaScript 遍历、枚举与迭代的骚操作（上篇）
source link: https://juejin.im/post/5bfbbe2df265da61407e95a3
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标准操作 for循环 相信大部分搬砖工作者都写过类似的代码： var arr = ['element1', 'element2', 'element3']; for (var i = 0, len = arr.length; i < l
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