JavaScript? ???? ??

JavaScript ???? ??, ???, ???? ?? ?? ?? ?????(OOP) ??? ???? ???? ??? ?????. ? ?????? ???? ??? ??, JavaScript?? ??? ???? ??, ???? ???? ? ??? ??? ??? ??? ???????.

---

1. JavaScript ???

ES6?? JavaScript? class ???? ???? ??? ???? ?? ? ???? ???? ??? ??????.

??? ?? ??:

class ClassName {
  constructor() {
    // Initialization code
  }
  methodName() {
    // Method code
  }
}

?? ???? ?:

class Animal {
  constructor(name, type) {
    this.name = name;
    this.type = type;
  }
  speak() {
    console.log(`${this.name} makes a sound.`);
  }
}

const dog = new Animal('Buddy', 'Dog');
dog.speak();  // Output: Buddy makes a sound.

?? ???:

• ??? ???: ??? ???? ????? ??? ??? ????? ? ???? ?? ?????.
• ???? ???: ??? ??? ??? ??? ???? ?????? ??? ? ?? ???? ??????.

---

2. JavaScript? ??

??? ?? ? ???? ?? ???? ??? ???? ???? ? ????. JavaScript??? ?? ???? ???? ?? ??? ? ????.

?? ??:

class ChildClass extends ParentClass {
  constructor() {
    super(); // Calls the parent class constructor
    // Additional initialization code for child class
  }
}

??? ?:

class Animal {
  constructor(name) {
    this.name = name;
  }
  speak() {
    console.log(`${this.name} makes a sound.`);
  }
}

class Dog extends Animal {
  constructor(name, breed) {
    super(name); // Call the parent class constructor
    this.breed = breed;
  }
  speak() {
    console.log(`${this.name}, the ${this.breed}, barks.`);
  }
}

const dog = new Dog('Buddy', 'Golden Retriever');
dog.speak();  // Output: Buddy, the Golden Retriever, barks.

?? ???:

• super(): super ???? ??? ??? ????? ?? ?? ???? ???? ?????.
• ??? ???: ?? talk() ????? ? ? ??? ?? ???? ?? ???? ???? ???? ? ????.

---

3. ??? ??? ???

JavaScript??? ?? ???? ?? ???? ???? ???? ? ?? ???? ?? ??? ??? ?????. ?? ??? ????? ???.

??? ???? ?:

class Animal {
  constructor(name) {
    this.name = name;
  }
  speak() {
    console.log(`${this.name} makes a sound.`);
  }
}

class Cat extends Animal {
  speak() {
    console.log(`${this.name} meows.`);
  }
}

const cat = new Cat('Whiskers');
cat.speak();  // Output: Whiskers meows.

?? ???:

• ?? ???? ?? ??? ??? ???? ?? ?? ??? ???? ??????.
• ?? ???? ??? super.method()? ???? ?? ??? ???? ??? ? ????.

---

4. ?? ??(?? ???? ??)

JavaScript? ?? ??? ?? ???? ????. ?, ???? ?? ????? ??? ??? ? ????. ??? ???? ???? ? ?? ??? ??? ? ????.

???? ?:

class ClassName {
  constructor() {
    // Initialization code
  }
  methodName() {
    // Method code
  }
}

?? ???:

• ???? ??? ???? ?? ???? ??? ???? ?????.
• Object.sign()? ???? ? ??? ??? ???? ?? ??? "??"? ? ????.

---

5. ?? ??? ? ??

?? ???? ??? ??? ????? ?? ??? ??? ????. ????? ?? ?????.

?? ???? ?:

class Animal {
  constructor(name, type) {
    this.name = name;
    this.type = type;
  }
  speak() {
    console.log(`${this.name} makes a sound.`);
  }
}

const dog = new Animal('Buddy', 'Dog');
dog.speak();  // Output: Buddy makes a sound.

?? ???:

• ?? ???? ????? ???? ???? ?? ???? ??? ?????.

---

6. ??? ??

Getter ? Setter? ???? ?? ??? ???? ???? ?? ?? ???? ??? ? ????. ?? ??? ??? ????? ? ????? ?????.

Getter ? Setter? ?:

class ChildClass extends ParentClass {
  constructor() {
    super(); // Calls the parent class constructor
    // Additional initialization code for child class
  }
}

?? ???:

• Getter: ?? ?? ????? ??? ?????.
• Setter: ?? ?? ?????? ??? ?????.

---

7. ??

• ???? ???? ???? ??? ???? ?? ??? ???? ???? ??? ?????.
• ??? ???? ? ???? ?? ???? ??? ???? ??? ? ???? ??? ? ?? ??? ? ????.
• ??? ???? ???? ?? ???? ?? ???? ??? ????? ??? ? ????.
• JavaScript? ??? ??? ???? ?? ?? ???, ???, getter/setter ??? ?????.

???? ??? ?? ?? ?????? ?? ????, ?? ???? ? ???? ?? ???? ?? JavaScript ??? ???? ? ??? ???.

?????. ?? Abhay Singh Kathayat???!
?? ?????? ??? ?? ??? ?? ?? ??? ?? ??? ??????. ?? ????? ?? ???? ??? ???? ??????? ???? ?? ??? ????? ??? ?????? ???? ?????.
? ???? ???(kaashshorts28@gmail.com)? ???? ?????.

? ??? JavaScript? ??? ? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!