代码如下:
<!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=gb2312" />
<title>timeout</title>
</head>
<body onload="countSecond()">
<input type="text" id="time" style="border:0px;" size="1px">
</body>
</html>
<script>
x = 0
function countSecond()
{ x = x+1
document.getElementById("time").value=x;
setTimeout("countSecond()", 1000)
}
</script>
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