有人看下哪里有問題嗎，運行不了
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>計時器</title>
<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);
? }
</script>
</head>
<body>
? <form>
? ? <input type="text" id="count" />
? ? <input type="button" value="Start" onclick="stratCount()" />
? ? <input type="button" value="Stop"? onclick="stopCount()" />
? </form>
</body>
</html>
2019-08-23
script里面寫的startCount()，onclick里面寫的stratCount()。好好看看函數(shù)里面的函數(shù)名~
2019-08-23
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
應(yīng)該加上雙引號，改為
<meta http-equiv="Content-Type" content="text/html"; charset="utf-8">