clientWidth：可视区宽 说明：样式宽+padding
clientHeight：可视区高 说明：样式高+padding
elem.clientWidth //获取元素的样式宽+padding
document.documentElement.clientWidth //获取文档的样式宽+padding
例子说明：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
#d1{width:100px;height:100px;background:red;padding:50px;margin:50px;border:10px solid black;}
</style>
</head>
<body>
<div id="d1"></div>
<script>
var dom = document.getElementById(‘d1‘);
console.log(dom.clientWidth + ‘,‘ + dom.clientHeight);
console.log(document.documentElement.clientWidth + ‘,‘ + document.documentElement.clientHeight);
</script>
</body>
</html>
ie7/ie9:
时间： 2024-11-01 18:06:29