EventUtiL 事件绑定
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 () {
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 ) {//阻止事件留
if (event.stopPropagation) {
event.stopPropagation();
} else {
event.cancelBubble = true;
}
}
}