About Lesson
Object-Oriented Programming (OOP) in JavaScript
Object-Oriented Programming (OOP) is a programming paradigm that structures code around objects, which represent real-world entities with properties (data) and methods (functions that operate on the data).
Key Concepts in OOP:
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Objects:
- An object is a fundamental building block in OOP.
- It encapsulates data (properties) and behavior (methods) within a single unit.
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Classes:
- A class is a blueprint or template for creating objects.
- It defines the properties and methods that objects of that class will have.
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Inheritance:
- Inheritance allows you to create new classes (subclasses) that inherit properties and methods from existing classes (superclasses).
- This promotes code reusability and reduces redundancy.
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Encapsulation:
- Encapsulation is the bundling of data and methods that operate on that data within a single unit (an object or class).
- It helps protect data from unauthorized access and modification.
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Polymorphism:
- Polymorphism allows objects of different classes to be treated as objects of a common type.
- It enables you to write more flexible and reusable code.
Benefits of OOP in JavaScript:
- Code Reusability: Inheritance allows you to reuse code and avoid duplication.
- Modularity: OOP promotes modularity by breaking down complex systems into smaller, manageable objects.
- Maintainability: Encapsulation makes code easier to maintain and modify.
- Flexibility: Polymorphism allows for more flexible and adaptable code.
By understanding and applying the principles of OOP, you can write more organized, efficient, and maintainable JavaScript code.
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