1 <!DOCTYPE html>
2 <html>
3 <head lang="en">
4 <meta charset="UTF-8">
5 <title></title>
6 </head>
7 <body>
8 由于oDiv.style只能获取到行间样式，非行间样式需要用到currentStyle
9 <div id="div1"></div>
10 <style>
11 #div1{
12 width: 100px;
13 height: 200px;/*单一样式或者简单样式*/
14 background-color: darkslategray;/*复合样式*/
15 border: 1px solid #DEDEDE;/*复合样式*/
16 }
17 </style>
18 <script>
19 window.onload=function(){
20 var oDiv1=document.getElementById("div1");
21 alert(getStyle(oDiv1, "background"));
22
23 }
24
25 function getStyle(obj, name){ //无法获取复合样式
26 if(obj.currentStyle){
27 return obj.currentStyle[name];//IE下可用
28 }else{
29 return getComputedStyle(obj, false)[name];//ff和google可用
30 }
31 }
32 </script>
33 </body>
34 </html>
