javascript 封装

封装

类名首字母大写

this   +  prototype

var Cat ={

　　name:'';

　　color:'';

}　　

/**

* this

*/

var Cat=function(name,color){

　　this.name = name;

　　this.color = color;

}

/**

*prototype

*/

Cat.prototype.type = "猫科动物";

Cat.prototype.eat = function(){alert("吃老鼠")};

 

var cat1 = new Cat('haha','xxx');