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<head>
<meta charset="UTF-8">
<title>Document</title>
<script>
window.onload = function (){
var arr = [34,7,3,11,20];
for(var i = 0; i < arr.length; i++){
for(var j = 0; j < arr.length; j++){
toCon();
}
}
console.log(arr);
function toCon(prev,next){
var tmp = "";
if(arr[prev] > arr[next]){
tmp = arr[prev];
arr[prev] = arr[next];
arr[next] = tmp;
}
}
return arr;
}
</script>
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<body>
</body>
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原文：http://www.cnblogs.com/mayufo/p/4458523.html