<html>
<head>
<script language="javascript">
var time = new Date();
function SetTime()
{
var newtime = new Date();
var seconds = Math.ceil((newtime.getTime()-time.getTime())/1000);
sec.innerText = seconds + " seconds"; setTimeout("SetTime();",1000);
}
</script>
</head>
<body onload="SetTime();">
You have entered this page for <span id="sec"></span>.
</body>
</html>
<head>
<script language="javascript">
var time = new Date();
function SetTime()
{
var newtime = new Date();
var seconds = Math.ceil((newtime.getTime()-time.getTime())/1000);
sec.innerText = seconds + " seconds"; setTimeout("SetTime();",1000);
}
</script>
</head>
<body onload="SetTime();">
You have entered this page for <span id="sec"></span>.
</body>
</html>
把<span>改为<div>一定不会出错的。
(可能是浏览器的兼容问题)