JS common method of "front-end accumulation" common events

1 varEventutil={2              //Add Handle3AddHandler:function(element,type,handler) {4                if(element.addeventlistener) {5Element.addeventlistener (Type,handler,false);6}Else if(element.attachevent) {7Element.attachevent (' on ' +Type,handler);8}Else{9element[' on ' +type]=handler;Ten                } One              }, A              //Delete handle -RemoveHandler:function(element,type,handler) { -                if(element.removeeventlistener) { theElement.removeeventlistener (Type,handler,false); -}Else if(element.detachevent) { -Element.detachevent (' on ' +Type,handler); -}Else{ +element[' on ' +type]=NULL; -                } +              }, AGetEvent:function(event) { at             returnEvent?event:window.event; -           }, -GetType:function(event) { -             returnEvent.type; -           }, -GetElement:function(event) { in             returnEvent.target | |event.srcelement; -           }, toPreventdefault:function(event) { +             if(event.preventdefault) { - Event.preventdefault (); the}Else{ *Event.returnvalue=false; $             }Panax Notoginseng           }, -Stoppropagation:function(event) { the            if(event.stoppropagation) { + event.stoppropagation (); A}Else{ theevent.cancelbubble=true; +            } -          } $}

JS common method of "front-end accumulation" common events