函數問題,想不通,為什么就是調用不了呢?
<html>
<head>
<title>計時器</title>
<script language="javascript">
<!--
var CallTimeLen = "0";
var timer1 = null;
function DoCallTimer()
{
var minute="0";
var second="0";
CallTimeLen = parseInt(CallTimeLen)+1;
minute = parseInt(CallTimeLen/60);
second = CallTimeLen%60;
if(minute=="0")
{
document.frmtimer.thzt.innerText ="您已用時:"+second+"秒";
}
else
{
document.frmtimer.thzt.innerText ="您已用時:"+minute+"分"+second+"秒";
}
window.timer1 = window.setTimeout("DoCallTimer()",1000);
}
function stop1()
{
clearTimeout(window.timer1);
}
-->
</script>
</head>
<body>
<form name="frmtimer" action="" method="post">
<hr>
<input type="text" name="thzt" id="thzt">
<br>
<input type="button" value="開始計時" name="start" onClick="DoCallTimer()">
<input type="button" value="停止" name="stop" onClick="clearTimeout(window.timer1);"> //就是這個函數,把它改成下面的句話就不能調用
<input type="button" value="停止" name="stop" onClick="stop1()">//
<hr>
</form>
</body>
</html>
這是什么原因??
要怎么改才能調用呢?