javascript 创建对象(object)
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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>javascript 创建对象</title><script type="text/javascript" src="js/common.js"></script><script type="text/javascript">println("---对象创建方式---");//构造函数模式println("----构造函数模式-----");function Person(name,color){this.name = name;this.color = color;this.sayName = function(){println("name = " + this.name);}}var p = new Person("zizhu", "red");p.sayName();//原型模式println("----原型模式-----");function Dog(){}Dog.prototype.name = "zizhu8";Dog.prototype.color = "black";Dog.prototype.showInfo = function(){println("name = " + this.name + ", color = " + this.color);}var dog = new Dog();dog.showInfo();//组合模式println("----组合模式-----");function Pig(name,color){this.name = name;this.color = color;}Pig.prototype.showInfo = function(){println("name = " + this.name + ", color = " + this.color);}var pig = new Pig("pig", "blue");pig.showInfo();//动态模式println("---动态模式---");function Cow(name,color){this.name = name;this.color = color;if(typeof this.showInfo != "function"){alert("first alert!!!");Cow.prototype.showInfo = function(){println("name = " + this.name + ", color = " + this.color);}}}var cow = new Cow("cow", "black");cow.showInfo();var cow1 = new Cow("cow1", "black1");cow1.showInfo();</script></head><body></body></html>
