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分享<!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>example</title>
<script type="text/javascript" >
function change(){
var obj=document.getElementById('testdiv');
obj.style.display=(obj.style.display=='none')?'block':'none';
}
</script>
</head>
<body onload="setInterval('change()',1000)">
<div id="testdiv" style="display:none;">Just a test!</div>
</body>
</html>function change(){
var obj=document.getElementById('testdiv');
obj.style.display=(obj.style.display=='none')?'block':'none';
}function change(){
var obj=document.getElementById('testdiv');
obj.style.display=(obj.style.display=='none'):'block'?'none';
}