//事件兼容代码
var EventUtil = {
addHandler: function(element, type, handler) {
},
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;
}
},
removeHandler: function(element, type, handler) {
},
stopPropagation: function(event) {
if (event.stopPropagation) {
event.stopPropagation();
} else {
event.cancelBubble = true;
}
}
}
在《高程3》中的例子
