<script type="text/javascript">

            function fun(){

                //console.log("a = "+a+", b = "+b);

                console.log(this.name);

            }

            //fun();

            //创建一个对象

            var obj = {

                name:"孙悟空",

                sayName:fun

            };

            var obj2 = {

                name:"沙和尚",

                sayName:fun

            };

            //console.log(obj.sayName == fun);

            var name = "全局的name属性";

            //obj.sayName();

            //以函数形式调用，this是window

            //fun();

            //以方法的形式调用，this是调用方法的对象

            //obj.sayName();

            obj2.sayName();

        </script>