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javascript天然的迭代器_javascript技巧

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Release： 2016-05-16 18:17:28
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它源于群里的某一题目：

有一个数n=5，不用for循环，怎么返回[1,2,3,4,5]这样一个数组
群的“糖果男孩”给的答案：

复制代码 代码如下:

function getArr(n) { 
    var a = [], 
        b = [], 
        m = 0; 
    a.length = n + 1; 
    a.toString().replace(/,/g, function () { 
        b.push(++m); 
    }); 
    return b; 
}
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