<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style type="text/css">//style样式
*{
margin:0px auto;}
#kuang{
height:50px;
border:1px solid #000}
#yanse{
height:50px;
background-color:red;
float:left;}
</style>
</head>
<body>
<div id="kuang" style="400px;">
<div id="yanse" style="0px;"></div>
</div>
</body>
<script type="text/javascript">
window.setTimeout("Zou()",20);
function Zou() //函数找zou
{
var y = document.getElementById("yanse");
var k = document.getElementById("kuang");
var w = y.style.width;
var kw = k.style.width;
//var wc = parseInt(w);
//var kc = parseInt(kw);
//alert(kw);
var wc = parseInt(w.substr(0,w.length-2));//定义
//alert(wc);
if(wc<400)//if判断
{
wc =wc+2;
y.style.width = wc+"px";//拼接字符串
window.setTimeout("Zou()",20);
}
}
</script>
</html>
这是一个滑动的进度条效果，它会随着时间的变化而增加，简易进度条。