| 1 | export default class Event{
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| 2 |
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| 3 | static add(t,eventName,cb){
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| 4 | if(window.addEventListener){
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| 5 | t.addEventListener(eventName,cb,false)
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| 6 | }else if(window.attachEvent){
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| 7 | t.attachEvent(`on${eventName}`,cb)
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| 8 | }else{
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| 9 | t[`on${eventName}`] = cb;
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| 10 | }
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| 11 | }
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| 12 |
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| 13 | static del(t,eventName,cb){
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| 14 | if(window.removeEventListener){
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| 15 | t.removeEventListener(eventName,cb,false)
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| 16 | }else if(window.detachEvent){
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| 17 | t.detachEvent(`on${eventName}`,cb)
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| 18 | }else{
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| 19 | t[`on${eventName}`] = null;
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| 20 | }
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| 21 | }
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| 22 |
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| 23 | } |
| \ | No newline at end of file |