script.js

function fix() {
    document.getElementById("coconut").remove();
    document.getElementById("coast").remove();
    document.getElementById("watermelon").remove();
    document.getElementById("sunflowers").remove();

    let tree = document.createElement("img");
    tree.id = "tree";
    tree.src = "to-add/christmasTree.jpg";
    let photos = document.getElementById("photos");
    photos.appendChild(tree);

    let snowmen = document.createElement("img");
    snowmen.id = "snowmen";
    snowmen.src = "to-add/snowmen.jpg";
    photos = document.getElementById("photos");
    photos.appendChild(snowmen);

    let stockings = document.createElement("img");
    stockings.id = "stockings";
    stockings.src = "to-add/stockings.jpg";
    photos = document.getElementById("photos");
    photos.appendChild(stockings);
}