代码示例：（标识：dhtm_examples_onload）
<html>
<head>
<script type="text/javascript">
var i=1
function starttimer()
{
document.getElementById('h_one').style.position="relative"
document.getElementById('h_one').style.left=+i
document.getElementById('h_two').style.position="relative"
document.getElementById('h_two').style.top=+i
i++
timer=setTimeout("starttimer()",10)
}
function stoptimer()
{
clearTimeout(timer)
}
</script>
</head>
<body onload="starttimer()" onunload="stoptimer()">
<h1 id="h_one">标题一</h1>
<h1 id="h_two">标题二</h1>
</body>
</html>
