How do I use super in JavaScript classes?

Can you explain how to use 'super' in JavaScript classes?

Sure! The 'super' keyword is used to call functions on an object's parent class. It allows you to access properties and methods of the parent class.

How do I use it in a constructor?

In a constructor, you can use 'super()' to call the parent class's constructor. For example:

class Parent {
    constructor(name) {
        this.name = name;
    }
}

class Child extends Parent {
    constructor(name, age) {
        super(name); // Calls the Parent constructor
        this.age = age;
    }
}

What if I want to call a method from the parent class?

You can call a method from the parent class using 'super.methodName()'. For example:

class Parent {
    greet() {
        return 'Hello!';
    }
}

class Child extends Parent {
    greet() {
        return super.greet() + ' I am a child.';
    }
}