<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery生成随机数字-www.jb200.com</title>
<style>ul{list-style:decimal;}</style>
<script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<input type="button" value="Test" id="Test" />
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<script>
var a = {}, getNum = function(){
var b;
while(true){
b = Math.random().toString().substr(2, 7)/100;
if(b.toString().length === 8 && a[b] === undefined){
return a[b] = b;
}
}
};
$('#Test').on('click', function(){
$('li').each(function(){
$(this).html(getNum());
});
});
</script>
</body>
</html>
