JavaScript Window对象ClearTimeout()方法
JavaScript ClearTimeout（）方法用于清除SetTimeout（）方法设置的计时器。
语法
clearTimeout(settimeout id)
JavaScript Window对象ClearTimeout()方法示例
<html>
<head>
<script type="text/javascript">
var c = 0;
var t;
var tsn = 0;
function countTime() {
document.getElementById('str').value = c;
c = c + 1;
t = setTimeout("countTime()", 1000);
}
function Timer() {
if (!tsn) {
tsn = 1;
countTime();
}
}
function StopTime() {
clearTimeout(t);
tsn = 0;
}
</script>
</head>
<body>
<form>
<p>
click button for start and stop</p>
<textarea id="str"></textarea>
<input type="button" value="Start" onclick="Timer()" />
<input type="button" value="stop" onclick="StopTime()" />
</form>
</body>
</html>
日期：2020-04-18 01:09:26 来源：oir作者：oir