跨浏览器事件对象

Tags
webapi
Created
Jun 1, 2015 3:34 AM

var EventUtil = {

addHandler: function(element,type,handler) {

if(element.addEventListener) {

element.addEventListener(type,handler,false);

}else if(element.attachEvent) {

element.attachEvent("on"+type,handler);

}else {

element["on" +type] = handler;

}

},

removeHandler: function(element,type,handler){

if(element.removeEventListener) {

element.removeEventListener(type,handler,false);

}else if(element.detachEvent) {

element.detachEvent("on"+type,handler);

}else {

element["on" +type] = null;

}

},

getEvent: function(event) {

return event ? event : window.event;

},

getTarget: function(event) {

return event.target || event.srcElement;

},

preventDefault: function(event){

if(event.preventDefault) {

event.preventDefault();

}else {

event.returnValue = false;

}

},

stopPropagation: function(event) {

if(event.stopPropagation) {

event.stopPropagation();

}else {

event.cancelBubble = true;

}

}

};

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