/**
* 添加查询路径方法到jquery原型链
*/
jQuery.fn.extend({
   getPath: function () {
       var path, node = this;
       while (node.length) {
           var realNode = node[0], name = realNode.localName;
           if (!name) break;
           name = name.toLowerCase();
           var parent = node.parent();
           var sameTagSiblings = parent.children(name);
           if (sameTagSiblings.length > 1) { 
               let allSiblings = parent.children();
               var index = allSiblings.index(realNode) + 1;
               if (index > 0) {
                   name += ':nth-child(' + index + ')';
               }
           }
           path = name + (path ? '>' + path : '');
           node = parent;
       }
       return path;
   }
});

$(e.target).getPath()