JavaScript对象继承

 <script type="text/javascript">
       //继承的例子
       function classA(name){
           this.name=name;
           this.sayHello=function(){
               alert(this.name);
           }
       }
       //让classB继承classA
       function classB(name){
           this.tempMethod=classA;
           this.tempMethod(name);
       }
       //  让classC继承classA
       function  classC(name){
           classA.call(this,name);
       }

       //让classD继承classA
       function classD(name){
           classA.apply(this,[name]);
       }

      /* var b=new classB("李四");
       b.sayHello();*/

      /* var c=new classC("王五");
       c.sayHello();*/

       var d=new classD("CRT");
       d.sayHello();
    

   </script>