20507231056_「JavaScript——イベントスクリプトの追加と削除コード」
3835 ワード
1 funtion addHangler(target,eventType,Handler) {
2 if(target.addEventListener){
3 target.addEventListener(eventType,handler,false);
4 }else{
5 target.attachEvent("on" + eventType , handler);
6 }
7 }
8
9 funtion removeHangler(target,eventType,Handler) {
10 if(target.removeEventListener){
11 target.removeEventListener(eventType,handler,false);
12 }else{
13 target.detachEvent("on" + eventType , handler);
14 }
15 }プリロード技術もあります.全体的によく使われている場合に適しています.
1 var addHandler = document.body.addEventListener ?
2 function(target, eventType, handler){
3 target.addEventListener(eventType, handler, false);
4 }:
5 function(target, eventType, handler){
6 target.attachEvent("on" + eventType, handler);
7 };
8
9
10
11
12 var removeHandler = document.body.removeEventListener ?
13 function(target, eventType, handler){
14 target.removeEventListener(eventType, handler, false);
15 }:
16 function(target, eventType, handler){
17 target.detachEvent("on" + eventType, handler);
18 };