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JavaScript通過(guò)attachEvent和detachEvent方法處理帶參數(shù)的函數(shù)
文章來(lái)源：365jz.com 點(diǎn)擊數(shù)：468 更新時(shí)間：2009-09-15 09:47 參與評(píng)論
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(wú)標(biāo)題文檔</title>
6
<script language="javascript">
7
8 var theP; //P標(biāo)簽對(duì)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(shù)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(shù)方法'));//區(qū)別于上一個(gè)，這里不能detach
56
57 theP.attachEvent("onclick", showDef); //無(wú)參數(shù)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>
<!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(wú)標(biāo)題文檔</title>6
<script language="javascript">
7
8
var theP; //P標(biāo)簽對(duì)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{ //IE18
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{ //IE36
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(shù)方法");44
45
if(window.addEventListener) // not IE46
{47
//for FF.etc48
theP.addEventListener("click", theP.show11, false);49
theP.addEventListener("click", showDef, false);50
}51
else52
{53
//for IE 54
theP.attachEvent("onclick", theP.show11);55
theP.attachEvent("onclick", show2('不能detach的帶參數(shù)方法'));//區(qū)別于上一個(gè)，這里不能detach56
57
theP.attachEvent("onclick", showDef); //無(wú)參數(shù)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>
本文系原創(chuàng)，轉(zhuǎn)載請(qǐng)注明：來(lái)自 Freeway —— cnBlogs
Tag標(biāo)簽: JavaScript,attachEvent,detachEvent,帶參數(shù)的函數(shù)
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