原型实现两个数的加减乘除 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <script>
            //面向对象实现两个数加减乘除
            var num=function(n1,n2){
                this.num1=n1;
                this.num2=n2;
            }
            //加
            num.prototype.add=function(){
                return this.num1 + this.num2;
            }
            //减
            num.prototype.reduce=function(){
                return this.num1 - this.num2;
            }
            //乘
            num.prototype.ride=function(){
                return this.num1 * this.num2;
            }
            //除
            num.prototype.except=function(){
                return this.num1 / this.num2;
               }
            var x=new num(10,100);
            console.log(x.add());//110
            console.log(x.reduce());//-90
            console.log(x.ride());//1000
            console.log(x.except());//0.1
        </script>
    </body>
</html>

 

posted @ 2017-06-29 11:06  御酒  阅读(176)  评论(0)    收藏  举报