<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JavaScript 计时器</title>
<script type="text/javascript">
var i=0;
setInterval("run()", 1000);
function run(){
document.write(i+' ');
i++;
}
</script>
</head>
<body>
</body>
</html>
东安
2014-08-11
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