暈了，一半天才發(fā)現(xiàn)自己代碼寫錯了，寫成了setTimeout=("startCount()",1000);
<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>?測試</title>
</head>
<body>
<form>
<input?type="text"?id="count"?/>
<script?type="text/javascript">
??var?num=0;
??function?startCount(){
????document.getElementById('count').value=num;
????num=num+1;
?????setTimeout("startCount()",1000);
??}
??setTimeout("startCount()",1000);
</script>
</form>
</body>
</html>
2015-03-20
我也是。。。。
2015-03-07
我看了半天，為什么沒找到錯誤呢