​x
 
<html>
<head>
<style>
h1
{
width:400;
}
</style>
​
<script type="text/javascript">
var i
function glow()
{
i=0
interval=setInterval("makeglow()",10)
}
​
function back()
{
clearInterval(interval)
document.getElementById('myHeader').style.filter=false
}
​
function makeglow()
{
i++
if (i<5)
    {
    document.getElementById('myHeader').style.filter="glow(strength=" + i + ")"
    }
else if (window.interval)
    {
    clearInterval(interval)
    }
}
​
</script>
</head>
​
<body>
<h1 id="myHeader" onmouseover="glow()" onmouseout="back()">请把鼠标移动到这个标题上</h1>
</body>
​
</html>
​