JavaScript面向对象设计的相关内容

文章 2017-12-06 来自：开发者社区

当JS面向对象之后续(JS在设计级联菜单时)

我们在使用JS制作控件时,经常使用的方法就是建立一个function对象,然后对function的原型对象进行扩展对象的建立,这样在建立function对象的实例后,就可以访问到prototype原型所指定的新对象了.例如: 定义一个function对象 function zzl(){…} 为zzl对象建立一个原型扩展对象 zzl.prototype = { ...

文章 2017-12-06 来自：开发者社区

JS实现面向对象的设计

下面程序主要讲的是有一个大对象people，它有两个子对象html和video，这两个子对象都有方法play，并都有参数x，而x在这个play方法中需要被加工，而这两个子对象对于 x参数的加工逻辑是相同的，为了不让代码重复，所以就抽象出一个init的方法，用来处理这种共同的逻辑。 1 <script> 2 var url; 3 var people={ 4 init:f...

文章 2017-11-01 来自：开发者社区

javascript面向对象设计

javascript中java语言不一样，它没有类这个说法，更没有子类父类一说，所以它所谓的继承机制，也是和其他语言完全不同的。创建对象三种方式 1.最简单的方式，创建一个object对象，然后为它添加属性和方法 1 2 3 4 var person=new object(); person.name="zhangsan"; person.age=20; person....

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