計(jì)時(shí)器，代碼運(yùn)行不粗來(lái)
<!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) ;
? ? function start(){
? ? ? ? var 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="start()" />
? </form>
</body>
</html>
2015-06-23
能運(yùn)行啊