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🧱 JavaScript Classes Explained | Learn Object-Oriented Programming in JavaScript with ES6+
In this beginner-friendly tutorial, you'll learn how to use classes in JavaScript to build structured, reusable, and scalable code using the power of Object-Oriented Programming (OOP). Introduced in ES6, JavaScript classes provide a cleaner, more intuitive syntax for creating and managing objects—just like in languages such as Java or Python.
Whether you're building a game, a UI component, or modeling data structures, understanding how to use classes is essential for writing modern JavaScript.
🧠 What You’ll Learn in This Video:
✅ What is a class in JavaScript?
✅ How to define and instantiate a class
✅ Using constructors to initialize properties
✅ Adding methods to a class
✅ Working with class inheritance (extends & super)
✅ Understanding the ‘this’ keyword in class context
✅ Real-world examples of using classes in JS
🛠 Code Examples from the Video:
🔹 Defining a Class:
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
greet() {
console.log(`Hi, my name is ${this.name}.`);
}
}
const user1 = new Person("Alice", 25);
user1.greet(); // Output: Hi, my name is Alice.
🔹 Inheritance with extends and super:
class Student extends Person {
constructor(name, age, grade) {
super(name, age);
this.grade = grade;
}
study() {
console.log(`${this.name} is studying in grade ${this.grade}.`);
}
}
const student1 = new Student("Bob", 16, 10);
student1.study();
📌 Why Use
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2025/05/20
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