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JavaScript中实现PHP的打乱数组函数shuffle实例_javascript技巧

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Release： 2016-05-16 16:34:12
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PHP 里面有个非常方便的打乱数组的函数 shuffle() ，这个功能在许多情况下都会用到，但 javascript 的数组却没有这个方法，没有不要紧，可以扩展一个，自己动手，丰衣足食嘛。

请刷新页面查看随机排序效果。

复制代码代码如下:


输出结果：

复制代码代码如下:

A = 0,1,2,3,4,5,6,7,8,9

shuffle(A) = 1,5,0,9,2,3,6,8,4,7
A.shuffle() = 0,4,2,8,5,1,3,6,9,7

通过prototype 给数组添加一个方法：

复制代码代码如下:


Related labels：
javascript shuffle function
source：php.cn
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