<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>計時器</title>
<script?type="text/javascript">
???function?clock(){
??????var?time=new?Date();?????????????????????
??????document.getElementById("clock").value?=?time;
???}//?每隔100毫秒調用clock函數,并將返回值賦值給i
?????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>不是很懂
取消計時器,
晴書文文
2016-05-24 22:51:22