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//原数组
var arr = [0,1,2,3,4,5,6,7,8,9,10,11];//输出数组var out = [];//输出个数var num = 5;while(out.length < num){ var temp = (Math.random()*arr.length) >> 0; out.push(arr.splice(temp,1));}alert(out);标签：
原文地址：http://www.cnblogs.com/Zeki/p/5902558.html
