取消計(jì)時(shí)器clearInterval()
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>計(jì)時(shí)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>
2015-12-18
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