class.js

class Monster {
  constructor(name, color, numEyes) {
    this.name = name;
    this.color = color;
    this.numEyes = numEyes;
  }
  speak(likes) {
      return `My name is ${this.name} and I like ${likes}`;
  }
}
var nhama = new Monster("Nhama", "red", 1);
nhama.speak("guacamole")
// "My name is Nhama and I like guacamole"