<html><script type="text/javascript" src="jquery-1.7.1.js"></script><script>function ialertdouble(e) {alert('innerdouble');stopBubble(e);}function ialertthree(e) {alert('innerthree');stopBubbleDouble(e);}function stopBubble(e) {var evt = e||window.event;evt.stopPropagation?evt.stopPropagation():(evt.cancelBubble=true);//阻止冒泡}function stopBubbleDouble(e) {var evt = e||window.event;evt.stopPropagation?evt.stopPropagation():(evt.cancelBubble=true);//阻止冒泡evt.preventDefault();//阻止浏览器默认行为，这样链接就不会跳转}$(function() {//方法一//$('#jquerytest').click(function(event) {// alert('innerfour');// event.stopPropagation();// event.preventDefault(); | 