<!DOCTYPE?html>
<html>
<head?lang="en">
????<meta?charset="UTF-8">
????<title></title>
????<style>
?*?{
????????????margin:?0;
?padding:?0;
?}
????????div?{
????????????border:?10px?solid?#000;
?width:?200px;
?height:?200px;
?background-color:?red;
?margin:?20px;
?padding:?20px;
?}
????</style>
</head>
<body>
<div></div>
<script>
?var?aDiv?=?document.getElementsByTagName("div")[0];
?console.log(aDiv.style.width);
?console.log(aDiv.scrollWidth);
?console.log(aDiv.offsetWidth);
</script>
</body>
</html>
為什么我獲取到的aDiv.style.width的值為空
北緯95度
2016-05-21 10:38:13
