var $ = {

             name: function (name) {

                 return name;

             },

             age: function (age) {

                 return age;

             },

             numCount: function (a, b) {

                 return a + b;

             }

         }

         // window挂载在$,再赋值给jQuery

         window.jQuery = window.$;

         console.log($.name('张三'), jQuery.age(18), $.numCount(1, 2));