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youxiachai/array2.js

Created June 1, 2014 08:51
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不用循环构建任意初始值数组
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array2.js
var a = Array.apply(null, {length : 10}).map(function () {
return 'a'
})
var b = new Array(10).join(',').split(',').map(function(){return 'b'});
@youxiachai
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就效率而言..还是用循环最好....以上两个方法,相比循环在性能上差了一个数量级...果然..好玩的代码..效率都不行..

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