run : function () {
var iterator = document.createNodeIterator(content.document, NodeFilter.SHOW_ELEMENT, null, false);
var node1 = iterator.nextNode();
if (node1 != null) {
node1.addEventListener('mouseover', function () {add(node1)}, false);
}
while (node1) {
node1 = iterator.nextNode();
if (node1 != null) {
node1.addEventListener('mouseover', function () {add(node1)}, false);
}
}
function add(node) {这里为什么node是null啊，换成node1也不行
alert(node.tagName + " has been moved over");
}
}
document.getElementById("rod1").onclick = function(e){
//获取事件
var _e = e || window.event,
//获取节点
obj = _e.target || _e.srcElement;
alert(obj)
}
$(function(){
function add(e) {
var _e = e || window.event,
obj = _e.target || _e.srcElement;
alert(obj.tagName + " has been moved over");
}
//将事件绑定到body,所有节点click事件都冒泡到body上
document.body.onclick= add;
