实例 （用到 阻止事件冒泡 event.stopPropagation();）

本实例的效果来自于http://uc.webdev.lesongapp.cn/recruit_shaoyang/
登录之后 搜索技能 展示结果  可点击搜索结果的某一列表 查看效果  其实是click之后一个展开和收缩的效果  只是每一个列表下面还有click事件
function showMoreInfo(){

            var infoListItemNode = $('#search_results_container .results-list li');

            infoListItemNode.click(function(e){

                var thisNode = $(this),

                    networkSectionNode = thisNode.find('.network-info-section');

                //e.stopPropagation(); 这个不用写，因为他是父元素了

                if(networkSectionNode.is(':hidden')){

                    showNetworkUI(thisNode);

                } else {

                    networkSectionNode.slideUp('slow');

                }



            });

        }

        function showNetworkUI(selection_id){

            var parentNode = $(selection_id),

                networkDetailsSection = parentNode.find('.network-details');

            parentNode.find('.network-info-section').slideDown('slow');

            //showWeiboContent(networkDetailsSection);

            parentNode.find('.sns-item').each(function(){

                var thisNode = $(this);

                thisNode.click(function(e){

                    e.preventDefault();

                    e.stopPropagation();

                    networkDetailsSection.empty();

                    $.log(networkDetailsSection.children().length);

                    if(thisNode.hasClass('sina-weibo')){

                        showWeiboContent(networkDetailsSection); 

                    } else if (thisNode.hasClass('tx-weibo')){

                        showTXWeiboContent(networkDetailsSection);

                    } else if (thisNode.hasClass('linkedin')){

                        showLinkedInContent(networkDetailsSection);

                    } else if (thisNode.hasClass('renren')){

                        showRenrenContent(networkDetailsSection);

                    } else if (thisNode.hasClass('kaixin')){

                        showKaixinContent(networkDetailsSection);

                    }

                });

            });

        }