<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Examples</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
<script>
window.onload=function(){
var oBtn=document.getElementById("btn1");
var oUl=document.getElementById("ul1");
var oLi=document.getElementsByTagName("li");
oBtn.onclick=function(){
var arr=[];
for(var i=0;i<oLi.length;i++){
arr[i]=oLi[i];
}
arr.sort(function(li1,li2){
var n1=parseInt(li1.innerHTML);
var n2=parseInt(li2.innerHTML);
return n1-n2;
});
for(var j=0;j<arr.length;j++){
oUl.appendChild(arr[j]);
}
}
}
</script>
</head>
<body>
<input type="button" value="排序" id="btn1">
<ul id="ul1">
<li>3</li>
<li>55</li>
<li>32</li>
<li>22</li>
<li>87</li>
<li>57</li>
<li>33</li>
<li>2</li>
</ul>
</body>
</html>
