JS-08-对象

 <!DOCTYPE html>
 <html>
     <head>
         <meta charset="UTF-8">
         <title></title>
     </head>
     <body>
         <a href="javascript:void(0)" onclick="obj.say();" style="text-decoration: none;">点我</a>

         <script type="text/javascript">
 //            通过系统内置的object()定义对象
             var obj = new Object();
             obj.name = '张三';
             obj.sex = 'boy';
             obj.age = '22';
             obj.say = function(){
                 console.log('I am ',obj.name,',a ',obj.sex,',I am ',obj.age,'years old.');
             };

 //            直接定义对象
             var obj1={
                 name:"李四",/*此处用逗号*/
                 sex:'girl',/*此处用逗号*/
                 age:18,/*此处用逗号*/
                 say:function(){
                     console.log('I am ',obj1.name,',a ',obj1.sex,',I am ',obj1.age,'years old.');
                 }
             };
             obj1.say();

 //          通过构造函数定义对象
                 function pen(name,sex){
                     this.name = name;
                     this.sex = sex;
                     this.say = function(){
                         console.log('I am ',this.name,',a ',this.sex);
                     }
                 }
                 var obj3 = new pen("王五",'boy');

             console.log(obj3.constructor);
         </script>
         <br />
         <a href="javascript:void(0)" onclick="obj3.say();" style="text-decoration: none;">再点我</a>

     </body>

 </html>