这么些为什么不行
小侠客
2016-03-24 16:42
<!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;
}
setInterval("clock()",100);
function mm(){
setInterval("clock()",100);
}
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
<input type="button" value="Stop" onclick="clearInterval(setInterval("clock()",100))"/>
<input type="button" value="Start" onclick="mm()"/>
</form>
</body>
</html>
2回答
-
- 小侠客
- 2016-03-25 14:08:09
额，什么鬼
-
- 涼風有信
- 2016-03-24 18:32:31
<!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);
function mm(){
i=setInterval("clock()",100);
}
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
<input type="button" value="Stop" onclick="clearInterval(i)"/>
<input type="button" value="Start" onclick="mm()"/>
</form>
</body>
</html>
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