function Car(image, make, model, description, price, category, year, mileage, extras) {
    this.image = image;
    this.make = make;
    this.model = model;
    this.description = description;
    this.price = price;
    this.category = category;
    this.year = year;
    this.mileage = mileage;
    this.extras = extras;
}

Car.prototype.generateImage = function(elt) {
    const img = document.createElement('img');
    img.src = this.image;
    img.alt = this.make + " " + this.model;
    img.classList.add('card-img-top');
    elt.appendChild(img);
};