<!DOCTYPE?HTML>
<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8">
<title>計時器</title>
</head>
<script?type="text/javascript">
window.onload?=?function(){
????????var?num?=?0;
????????function?startCount(){
????????????document.getElementById("count").value?=?num;
????????????num?=?num+1;
????????????setTimeout(startCount,1000);?//為什么這里不能用setTimeout("startCount()",1000);
????????}
????????startCount();
????}
</script>
</head>
<body>
<form>
<input?type="text"?id="count"?/>
</form>
</body>
</html>
js中關于setTimeout的問題
B1anker
2016-02-18 00:23:08
