JSFiddle - React, Tailwind, and code Playground

by Viet27th

JavaScript

class Animal { 
  constructor(name) {
    this.name = name;
    this.age = '27';
  }
  speak() {
    console.log(this);
  }
}

class Dog extends Animal {
  constructor(name) {
    super(name); // call the super class constructor and pass in the name parameter
  }
  
  speaka() {
    console.log(this);
  }
}
(new Dog('asd')).speak();
(new Animal).speak()