The JavaScript SUPER keyword is super! 🦸‍♂️

00:00:00 intro
00:00:22 setup
00:02:39 super constructor
00:05:59 super methods
00:09:03 conclusion
// super = keyword is used in classes to call the constructor or
// access the properties and methods of a parent (superclass)
// this = this object
// super = the parent
class Animal{
constructor(name, age){
this.name = name;
this.age = age;
}
move(speed){
console.log(`The ${this.name} moves at a speed of ${speed}mph`);
}
}
class Rabbit extends Animal{
constructor(name, age, runSpeed){
super(name, age);
this.runSpeed = runSpeed;
}
run(){
console.log(`This ${this.name} can run`);
super.move(this.runSpeed);
}
}
class Fish extends Animal{
constructor(name, age, swimSpeed){
super(name, age);
this.swimSpeed = swimSpeed;
}
swim(){
console.log(`This ${this.name} can swim`);
super.move(this.swimSpeed);
}
}
class Hawk extends Animal{
constructor(name, age, flySpeed){
super(name, age);
this.flySpeed = flySpeed;
}
fly(){
console.log(`This ${this.name} can fly`);
super.move(this.flySpeed);
}
}
const rabbit = new Rabbit("rabbit", 1, 25);
const fish = new Fish("fish", 2, 12);
const hawk = new Hawk("hawk", 3, 50);
rabbit.run();
fish.swim();
hawk.fly();