我的这个代码怎么没用

源自：8-4 取消计时器clearInterval()

我的这个代码怎么没用

我的这个代码怎么没用

<!DOCTYPE HTML>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>计时器</title>

<script type="text/javascript">

function clock(){

var time=new Date();

document.getElementById("clock").value = time;

}

var i=setInterval(clock,100) ;

</script>

</head>

<body>

<form>

<input type="text" id="clock" size="50" />

<input type="button" value="Stop" onclick="clearInterval(i)" />

</form>

</body>

</html>

提问者：错觉尤未醒 2016-08-03 15:56

个回答

最近的距离是多少3456060

2016-08-15 10:37:00

提交下，然后刷新下页面就好了...

0
流景闲草0

2016-08-10 18:00:04

根本停不下来--！

0
浮生3637032

2016-08-08 11:24:14

我直接复制粘贴你的代码，stop可以用啊！

0
qq_预_1

2016-08-03 16:44:00

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计时器</title>
<script type="text/javascript">
function clock(){
var time=new Date();
document.getElementById("clock").value = time;

}
var timer =setInterval(clock,100);
function stop(){
clearInterval(timer);
}
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
<input type="button" value="Stop" onclick ="stop()" />
</form>
</body>
</html>这个代码与之相近你看了更明白

0
qq_预_1

2016-08-03 16:33:36

理解下这个就没啥问题了

0
qq_预_1

2016-08-03 16:29:58

<script type="text/javascript">
function clock(){
var time = new Date();
document.getElementById("clock").value = time;
}
var timer = setInterval(clock, 1000);
var flage = true;

function stopTime() {
flage = !flage;
if(flage == false) {
clearInterval(timer);
document.getElementById("btn").value = "重新开始";
}else {
timer = setInterval(clock, 1000);
document.getElementById("btn").value = "暂停";
}
}
</script>

0