My code for the All Star Code JavaScript Assessment

pokemon.js

class Pokemon {

    constructor(name, attack, defense, health, type ) {
        this.name = name;
        this.attack = attack;
        this.defense = defense;
        this.health = health;
        this.type = type;
        this.initialHealth = health;
    }

    takeDamage(damage){
        this.health = this.health - damage;
        if (this.health < 0) this.health = 0;
    }

    attackOpponent(opponent) {
        const damage = this.attack - opponent.defense;
        if (damage > 0){
            opponent.takeDamage(damage);
        } 
        //Otherwise do nothing because opponent's defense > this pokemon's attack
    }

    display(){
        return `${this.name.toUpperCase()} (${this.type.toUpperCase()}) ${this.health}/${this.initialHealth}`;
    }
}