求助大神,点击stop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">
var currentTime;
function clock(){
var time=new Date();
currentTime=time.getFullYear()+"-"+
(time.getMonth()+1)+"-"+
time.getDate()+" "+
time.getHours()+":"+
time.getMinutes()+":"+
time.getSeconds();
document.getElementById("clock").value = currentTime;
}
var mi=setInterval("clock()",1000);
</script>
</head>
<body>
<form>
<input type="text" id="clock" size="50" />
<input type="button" value="Stop" onclick="clearInterval(mi)"/>
</form>
</body>
</html>
