Is JavaScript a class based object oriented language?
JavaScript is not a class-based object-oriented language. But it still has ways of using object oriented programming (OOP). In this tutorial, I'll explain OOP and show you how to use it. a style of Object-oriented programming (OOP) in which inheritance occurs via defining classes of objects, instead of inheritance occurring via the objects alone
Is JavaScript an OOP language?
Remember that functions are also objects in JavaScript data types. JavaScript introduced the class keyword in ECMAScript 2015. It makes JavaScript seem like an OOP language. But it is just syntatic sugar over the existing prototyping technique. It continues its prototyping in the background but makes the outer body look like OOP.
What are the characteristics of an object in JavaScript?
The characteristics of an Object are called Properties in Object-Oriented Programming and the actions are called methods. An Object is an instance of a class. Objects are everywhere in JavaScript, almost every element is an Object whether it is a function, array, or string.
What is object oriented programming (OOP)?
Object-oriented programming (OOP) is a programming paradigm fundamental to many programming languages, including Java and C++. In this article, we'll provide an overview of the basic concepts of OOP. We'll describe three main concepts: classes and instances, inheritance, and encapsulation.
The __proto__ Property
This points to the object which is used as a prototype. This is the property on every object that gives it access to the Object prototypeproperty. Every object has this property by default, which refers to the Object Protoype except when configured otherwise (that is, when the object's __proto__is pointed to another prototype).
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Now, Class
JavaScript introduced the classkeyword in ECMAScript 2015. It makes JavaScript seem like an OOP language. But it is just syntatic sugar over the existing prototyping technique. It continues its prototyping in the background but makes the outer body look like OOP. We'll now look at how that's possible. The following example is a general usage of a c
Subclassing
This is a feature in OOP where a class inherits features from a parent class but possesses extra features which the parent doesn't. The idea here is, for example, say you want to create a cats class. Instead of creating the class from scratch - stating the name, age and species property afresh, you'd inherit those properties from the parent animals
Wrapping Up
JavaScript leverages its prototype nature to welcome OOP developers to its ecosystem. It also provides easy ways to creating prototypes and organize related data. True OOP languages do not perform prototyping in the background - just take note of that. A big thanks to Will Sentance's course on Frontend Masters - JavaScript: The Hard Parts of Object
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