<!DOCTYPE?html>
<head>
????<meta?charset="UTF-8">
????<title>Document</title>
????<style?type="text/css">
????</style>
</head>
<body>
????<div?id="one"?class="two">dsfsd?</div>
????<script?type="text/javascript">
????setTimeout(function()?{
????????alert(document.getElementById("one").style);
?alert(document.getElementsByClassName("two").style);
????},?20);
????</script>
</body>document.getElementById("one").style可以用, 而 alert(document.getElementsByClassName("two").style);用不了,怎么回事
document.getElementById("one").style可以用
小新在編程
2016-08-16 20:24:32
