JavaScript 数组随机抽取的代码(简洁好用)

<script language="javascript">
/*
* 数组随机抽取
* edit www.jb200.com
*/
var m = [1,2,3,4,5,6,7,8,9,'a','b','c','d','e','#'];

function randArray(m, len) {
    m.sort(function () {
        return Math.random() - 0.5;
    });
    return m.slice(0, len);
}

console.log(randArray(m, 4));
</script>