首頁 > 開發者 > JavaScript
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>無標題文檔</title>
6 <script language="javascript">
7
8 var theP; //P標籤對象
9
10 var show=function(msg){ //直接定義 function show(msg) 效果是一樣的
11 return function(){
12 alert(msg+" from show()");
13
14 if(window.addEventListener){ //FF etc.
15 theP.removeEventListener("click", theP.show11, false);
16 }
17 else{ //IE
18 theP.detachEvent("onclick", theP.show11);
19 }
20 }
21 }
22
23 var show2=function(msg){ //直接定義 function show2(msg) 效果是一樣的
24 return function(){
25 alert(msg+" from show2()");
26 }
27 }
28
29 function showDef(){
30 alert("showDef()");
31
32 if(window.addEventListener){ //FF etc.
33 theP.removeEventListener("click", showDef, false);
34 }
35 else{ //IE
36 theP.detachEvent("onclick", showDef);
37 }
38 }
39
40 window.onload=function(){
41 theP=document.getElementById("pid");
42
43 theP.show11=show("可以detach的帶參數方法");
44
45 if(window.addEventListener) // not IE
46 {
47 //for FF.etc
48 theP.addEventListener("click", theP.show11, false);
49 theP.addEventListener("click", showDef, false);
50 }
51 else
52 {
53 //for IE
54 theP.attachEvent("onclick", theP.show11);
55 theP.attachEvent("onclick", show2('不能detach的帶參數方法'));//區別於上一個，這裡不能detach
56
57 theP.attachEvent("onclick", showDef); //無參數的方法直接寫
58 }
59 }
60 </script>
61
62 </head>
63
64 <body >
65 <div >
66 <p id="pid">Click Me</p>
67 </div>
68 </body>
69 </html>
出處：http://www.cnblogs.com/Freeway/archive/2009/06/03/1495561.html
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