当我调用clearInterval时，我得到一个“无效的调用对象”，我似乎无法弄明白。此错误仅发生在IE上。这是我的代码。谢谢。如果需要更多信息，请告诉我。
<html>
<HEAD>
<title>Loading, please wait...</title>
<META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW"/>
<script>
var ctr = 1;
var ctrMax = 15; // how many is up to you-how long does your end page take?
var intervalId;
function Begin()
{
//set this page's window.location.href to the target page
window.location.href = page.html;
// but make it wait while we do our progress...
intervalId = window.setInterval("ctr=UpdateIndicator(ctr, ctrMax)", 250);
}
function End() {
// once the interval is cleared, we yield to the result page (which has been running. This is where it is breaking)
window.clearInterval(intervalId);
}
function UpdateIndicator(curCtr, ctrMaxIterations)
{
curCtr += 1;
if (curCtr <= ctrMaxIterations) {
document.getElementById("indicator").style.width =curCtr*25 +"px";
return curCtr;
}
else
{
document.getElementById("indicator").style.width =0;
return 1;
}
}
</script>
<link rel="Stylesheet" href="styles/dynamic.css" type="text/css" />
</HEAD>
<body onload="Begin()" onunload="End()">
<form id="Form1" method="post" runat="server">
<div align="center">
<h3> </h3>
<H3> </H3>
<H3> </H3>
<H3> </H3>
<H3> </H3>
<H3>Loading Form, please wait...</H3>
</div>
<table id="indicator" border="1" cellpadding="0" cellspacing="0" width="0" height="19"
align="center" class="title">
<tr>
<td align="center" width="100%"></td>
</tr>
</table>
</form>
</body>