//字面量语法
        var obj = {
            name:‘zhangsan‘,
            age:30,
            say:function(){
                console.log(‘hello‘);
            }
        };
        
        console.log(obj.name);//取name值
        console.log(obj[‘age‘]);//[]方式取age值

        //删除对象成员
        delete obj.age;//删除age

        obj.say();//调用函数方法