javascript - 如何在 JavaScript 中定义 OOP 类？

Question

根据我的观察，我正在阅读的有关 JavaScript 的书指出存在 JavaScript 的 OOP？它并没有说明太多，我的意思是它没有解释如何定义一个类。有人可以给我一个示例片段吗？

谢谢

Answer 1

JavaScript 是 Prototype based 而不是基于类。

Prototype-based programming is a style of object-oriented programming in which classes are not present, and behavior reuse (known as inheritance in class-based languages) is performed via a process of cloning existing objects that serve as prototypes. This model can also be known as class-less, prototype-oriented or instance-based programming. Delegation is the language feature that supports prototype-based programming.