处理事件冒泡,阻止默认事件工具类,兼容IE
//处理事件冒泡,阻止默认事件工具类,兼容IE
var eventUtil={
// 添加句柄
addHandler:function(element,type,handler){
if(element.addEventListener){
element.addEventListener(type,handler,false);
}else if(element.attachEvent){
//处理IE浏览器的兼容
element.attachEvent('on'+type,handler);
}else{
element['on'+type]=handler;
}
},
// 删除句柄
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;
},
getType:function(event){
return event.type;
},
getElement: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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