<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
#d{
width: 800px;
height:200px;
border: 1px solid black;
}
#nr{
width: 0px;
height: 200px;
background: red;
}
</style>
</head>
<body>

<div id="d">
<div id="nr"></div>
</div>
<script src="js/fz.js"></script>
<script>
var hh=setInterval(jdt,10);
function jdt(){
var x=document.getElementById("nr");
var a=getstyle(x,"width");
var b=parseFloat(a)+8+"px";
x.style.width=b;
if(x.style.width=="800px"){
clearInterval(hh)
}
}
 


</script>

</body>
</html>

 

posted on 2018-01-22 16:53  秦丽华☺  阅读(140)  评论(0编辑  收藏  举报