标签：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript">
window.onload = function (){
var arr = [34,7,3,11,20,40,13,5];
function quickSort(arr){
if(arr.length <= 1){
return arr;
}
var num = arr[Math.ceil(arr.length/2 - 1) ];
var arrL = [];
var arrC = arr.splice(num,1);
var arrR = [];
for(var i = 0; i < arr.length; i++){
if(arr[i] < num){
arrL.push( arr[i] );
}
else if( arr[i] > num ){
arrR.push( arr[i] )
}else{
arrC.push(arr[i]);
}
}
return quickSort( arrL ).concat( arrC , quickSort( arrR ) );
}
console.log(quickSort( arr ));
}
</script>
</head>
<body>
</body>
</html>
标签：
原文地址：http://www.cnblogs.com/mayufo/p/4458519.html
