js随机数组,随机显示3个不重复数字
js随机数组,随机显示3个不重复数字案例:<!DOCTYPE;html>;;;;
<html;lang="en">;;;;
<head>;;;;
<meta;charset="UTF-8">;;;;
<title>Document</title>;;;;
</head>;;;;
<body>;;;;
<script>;;;;
//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;=;3;;;;;
while(out.length;<;num){;;;;
var;temp;=;(Math.random()*arr.length);>>;0;;;;;
out.push(arr.splic