js 倒计时
2008-01-26 10:48
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<html>
<head></head>
<body bgColor=#fef4d9 onLoad="display()">
<SCRIPT LANGUAGE="JavaScript">...
<!-- Begin
var ms = 0;
var state = 0;
function startstop() ...{
if (state == 0) ...{
state = 1;
then = new Date();
then.setTime(then.getTime() - ms);
} else ...{
state = 0;
now = new Date();
ms = now.getTime() - then.getTime();
document.stpw.time.value = ms;
}
}
function swreset() ...{
state = 0;
ms = 0;
document.stpw.time.value = ms;
}
function display() ...{
setTimeout("display();", 50);
if (state == 1) ...{now = new Date();
ms = now.getTime() - then.getTime();
document.stpw.time.value = ms;
}
}
// End -->
</SCRIPT>
<FORM NAME="stpw">
<b>计时开始:</b>
<INPUT TYPE="text" Name="time"><br>
<INPUT TYPE="BUTTON" Name="ssbutton" VALUE="开始/停止" onClick="startstop()">
<INPUT TYPE="BUTTON" NAME="reset" VALUE="重置" onClick="swreset()">
</FORM>
</body>
</html>
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