var a="小王,小花,小狗,小刘,小强".split(','),o=[],c=a.length; while(c) { var t=(parseInt(Math.random()*c)); o.push(a[t]); a=a.slice(0,t).concat(a.slice(t+1, c)); c--; } alert(o);
function RandomArray(arr) { var arrayLength = arr.length; var tmpArray1 = new Array(); for(var i = 0; i < arrayLength; i++) { tmpArray1[i] = i; } var tmpArray2 = new Array(); for(var i = 0; i < arrayLength; i++) { tmpArray2[i] = tmpArray1.splice(Math.floor(Math.random() * tmpArray1.length), 1); } var randomArray = new Array(); for(var i = 0; i < arrayLength; i ++) { randomArray[i] = arr[tmpArray2[i]]; } return randomArray; }查了一下资料,找了一个现成的,将就用哈。
while(c)
{
var t=(parseInt(Math.random()*c));
o.push(a[t]);
a=a.slice(0,t).concat(a.slice(t+1, c));
c--;
}
alert(o);
{
var arrayLength = arr.length;
var tmpArray1 = new Array();
for(var i = 0; i < arrayLength; i++)
{
tmpArray1[i] = i;
}
var tmpArray2 = new Array();
for(var i = 0; i < arrayLength; i++)
{
tmpArray2[i] = tmpArray1.splice(Math.floor(Math.random() * tmpArray1.length), 1); }
var randomArray = new Array();
for(var i = 0; i < arrayLength; i ++)
{
randomArray[i] = arr[tmpArray2[i]];
}
return randomArray;
}查了一下资料,找了一个现成的,将就用哈。
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title></title>
</head>
<script type="text/javascript"> <!--//
var $ = function($){return document.getElementById($);}
,sorte= function(){
var obj = $('num');
var str=obj.value;
var arr=str.split(',');
var i=arr.length,j=0;
var arrResult =new Array();
while(i>1){
j=Math.floor(Math.random()*i);
arrResult.push(arr[j]);
arr.splice(j,1);
i--;
}
arrResult.push(arr[0]);
$('result').innerHTML=arrResult.join(',');
}
//-->
</script>
<body>
<input type='text' name='num' id='num' value="小王,小花,小狗,小刘,小强" size='80' />
<div id='result'></div>
<input type=button id='btn' onclick='sorte()' value="click me"/>
</body>
</html>