html>  
  
  
  
  
<script type="text/java script">  
    window.onload = function(){  
        function parent(age,name){  
            this.age = age;  
            this.name = name;  
        }  
        parent.prototype.show = function(){  
            alert('父级方法');  
        }  
        function child(age,name,job){  
            parent.apply(this,arguments);  
            this.job = job;  
        }  
        (function(){  
            for(var i in parent.prototype){  
            child.prototype[i]=parent.prototype[i]  
            }  
        })();  
  
        var b = new parent(14,'侠客行');  
        var a = new child(15,'狼侠','侠客');  
        a.show();  
  
    }  
  
  
  
   
面向对象继承实例
  
   
经常看到面试题有关继承问题 a如何继承b 决定写一下，其实继承就是继承父级的属性和方法
  
  
  






<script type="text/java script">
	window.onload = function(){
		function parent(age,name){
			this.age = age;
			this.name = name;
		}
		parent.prototype.show = function(){
			alert('父级方法');
		}
		function child(age,name,job){
			parent.apply(this,arguments);
			this.job = job;
		}
		(function(){
			for(var i in parent.prototype){
			child.prototype[i]=parent.prototype[i]
			}
		})();

		var b = new parent(14,'侠客行');
		var a = new child(15,'狼侠','侠客');
		a.show();

	}



   
面向对象继承实例
   
经常看到面试题有关继承问题 a如何继承b 决定写一下，其实继承就是继承父级的属性和方法