代码如下:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>图案动态效果</title>
<style type="text/css">
div {
width: 300px;
height: 150px;
background: yellow;
border:2px solid red;
}
</style>
<script type="text/javascript">
function add()
{
var wid=300
while(wid<1000)
{
var bbb=document.getElementById("aaa")
bbb.style.width="wid+'px'";
wid++;
}
}
</script>
</head>
<body>
<div id="aaa"></div>
<button onclick="add()">+++</button>
</body>
</html>
求前辈指点,出什么问题啦???
西兰花伟大炮
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