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binnng/gist:6881326

Last active December 24, 2015 23:38
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随机打乱数组
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gistfile1.js
var arr = [1, 2, 3, 4, 5];
arr.sort(function (a, b) {
return Math.random()>.5 ? -1 : 1;//用Math.random()函数生成0~1之间的随机数与0.5比较，返回-1或1
});
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