取消計時器,為何無法重置,求助大神~
<title>計時器</title>
</head>
<script type="text/javascript">
? var num=0;
? var i;
? function startCount(){
??? document.getElementById('count').value=num;
??? num=num+1;
??? i=setTimeout("startCount()",1000);
? }
? function stopCount(){
? clearTimeout(i);
? }
? function newCount(){
??? num=0;
??? function startCount();
? }
</script>
</head>
<body>
? <form>
??? <input type="text" id="count" />
??? <input type="button" value="Start" onclick="startCount()" />
??? <input type="button" value="Stop"? onclick="stopCount()" />
??? <input type="button" value="重置" onclick="newCount()">
? </form>
</body>
</html>
2017-02-07
你這個重置的功能,沒什么意義?。∫锞桶裪d=count的value值在重置時的點擊清零,而且newCount()函數(shù)里
為啥又有function starCount()這玩意