#19 - Javascript Inheritance in Tamil - (தமிழில்) | Modern JavaScript in Tamil

Learn about JavaScript inheritance in tamil with practical examples. Learn about function prototype inheritance and es6+ concept of javascript class with inheritance with clear information. Inheritance is a fundamental concept in object-oriented programming (OOP), allowing you to create more flexible and reusable code.

We'll start with the basics, covering what inheritance is and why it's crucial for building scalable applications. You'll learn about prototypal inheritance, the unique approach JavaScript uses to handle inheritance. Through clear examples and step-by-step explanations, we'll demonstrate how to create and extend classes, utilize prototypes, and override methods to achieve the desired functionality.

This tutorial is perfect for both beginners and experienced developers. If you're new to JavaScript or OOP, our easy-to-follow explanations and practical examples will help you grasp the concepts quickly. For seasoned programmers, we'll dive into advanced topics like inheritance chains and the differences between classical and prototypal inheritance, providing insights that can enhance your coding practices.

⭐ What is Javascript Inheritance?
JavaScript inheritance in classes is a mechanism that allows a class to inherit properties and methods from another class. This is achieved using the extends keyword. Inheritance helps promote code reuse, maintainability, and can help organize and structure code more effectively.

⭐ Here are some Key Concepts of JavaScript Inheritance in Classes:
1. Base Class (Parent Class): This is the class whose properties and methods are inherited by another class. It's also known as the superclass.

2. Derived Class (Child Class): This is the class that inherits properties and methods from the base class. It's also known as the subclass.

⭐ Key Points
1. extends Keyword: This is used to create a class that is a child of another class. The child class inherits all the properties and methods of the parent class.

2. super Keyword: This is used within the child class to call the constructor and methods of the parent class. It is necessary to call super() in the constructor of the child class before using this.

3. Method Overriding: The child class can override methods from the parent class. If a method in the child class has the same name as a method in the parent class, the child's method will be used.

4. Accessing Parent Class Methods: Even if a method is overridden, you can still access the parent class’s method using super.methodName().

⭐Additional tip:
Before ES6, inheritance is possible only through function prototype inheritance.

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⏱ Time Stamps
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00:00 - Intro
10:17 - Creating child classes (derived class or child class)
25:08 - Overriding methods (polymorphism)
35:34 - Benefits of parent class
37:52 - What to learn next?
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#inheritance #javascript #javascriptintamil