JS和JQ的event对象区别分析

js-jq-event-common:{
  altKey: false,
  bubbles: true,
  button: 0,
  cancelable: true,
  clientX: 58,
  clientY: 13,
  ctrlKey: false,
  offsetX: 50,
  offsetY: 5,
  pageX: 58,
  pageY: 13,
  screenX: 58,
  screenY: 122,
  view: Window,
  which: 1,
  type: 'click',
  timeStamp: 1407761742842,
  metaKey: false,
  relatedTarget: null,
  target: div#test /*jq-evt的target不一定是jQuery选择器匹配的元素，可能是第一个捕获事件的元素，然后向上冒泡时其中一个才是选择器匹配的元素*/
},
 js-jq-event-diff:{
  currentTarget: null/*貌似一般都为null*/
              || div#test/*jq选择器匹配的元素在[currentTarget]属性*/,
  eventPhase: 0 || 2,
  toElement: div#test
},
 js-event-solo:{
  x: 58,
  y: 13,
  cancelBubble: false,
  charCode: 0,
  clipboardData: undefined,
  dataTransfer: null,
  defaultPrevented: false,
  srcElement: div#test,
  fromElement: null,
  detail: 1,
  keyCode: 0,
  layerX: 58,
  layerY: 13,
  returnValue: true
},
 jq-event-solo: {
  buttons: undefined,
  data: undefined,
  delegateTarget: div#test/*谁在监听？就是这个元素啦。*/,
  isDefaultPrevented: function,
  handleObj: Object,
  jQuery211024030584539286792: true,
  originalEvent: MouseEvent,
  shiftKey: false
}
 body-click-delegate-event: {
  currentTarget: HTMLBodyElement,
  delegateTarget: HTMLBodyElement,
  target: HTMLDivElement
}

var view = Backbone.View.extend({
  el: document.body,
   events: {
    'click p': 'showText'     // 委托body监听p的click事件   },
   showText: function(e){
    var p = e.currentTarget;  // [currentTarget]获取选择器匹配的元素     this.log(p.innerHTML);    // 看到了吧，this并不指向p元素   },
   log: function(msg){
    console.log(msg);
  }
});