JavaScript面向对象精要阅读摘要的相关内容

文章 2022-04-27 来自：开发者社区

《JavaScript 面向对象精要》阅读摘要（下）

5. 继承5.1 原型对象链和Object.prototypeJs内建的继承方法被称为原型对象链，又称为原型对象继承。原型对象的属性可以由对象实例访问。实例对象集成了原型对象的属性，因为原型对象也是一个对象，它也有自己的原型对象并继承其属性。这就是原型继承链：对象继承其原型对象，而原型对象继承它的原型对象，以此类推。所有的对象，包括自定义的对象都继承自Object，除非另有指定。更确切的说，所有....

文章 2022-04-27 来自：开发者社区

《JavaScript 面向对象精要》阅读摘要（上）

高程面向对象这块内容介绍的比较浅显，个人觉得这本小书是高程的补充，看完之后觉得收获匪浅，所以做了个笔记，以备后询1. 原始类型和引用类型Js中两种基本数据类型：原始类型（基本数据类型）和引用类型；原始类型保存为简单数据值，引用类型则保存为对象，其本质是指向内存位置的应用。其它编程语言用栈存储原始类型，用堆存储引用类型，而js则不同：它使用一个变量对象追踪变量的生存期。原始值被直接保存在变量对象....

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更新时间 2022-10-31 14:01:05

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