function getData(folder){
  let newFile = folder.toString().toLowerCase();
  console.log(newFile);
// Create a reference under which you want to list -> variable "newFile" to select what file to load.
const listRef = ref(storage, newFile);

// Find all the prefixes and items.
listAll(listRef)
  .then((res) => {
    res.prefixes.forEach((folderRef) => {
    });
    res.items.forEach((itemRef) => {
      getDownloadURL(itemRef).then((url) =>{
        // Make the videoCard
        let videoCard = document.createElement('div');
        videoCard.classList = "videoCard";
        // Add vid section
        let vid = document.createElement('div');
        vid.classList = "vid";
        videoCard.appendChild(vid);
        // Make videocard
        let newVideo = document.createElement('video');
        newVideo.src =`${url}`
        newVideo.setAttribute('width', 300)
        newVideo.classList.add('videoAdded')
        newVideo.autoplay = true;
        newVideo.muted = true;
        newVideo.loop = true;
        vid.appendChild(newVideo);
        // Make heading and button 
        let headingDiv = document.createElement('div');
        headingDiv.classList = "heading_add"
        let newh2 = document.createElement('h2');
        newh2.innerHTML = itemRef.name;
        headingDiv.appendChild(newh2)
        videoCard.appendChild(headingDiv)
        // Button for h2
        let newBtn = document.createElement('button');
        newBtn.classList = "add_video_btn";
        newBtn.innerHTML = "+";
        headingDiv.appendChild(newBtn);
        videos.appendChild(videoCard);

        newBtn.addEventListener('click', () =>{
          const exercises = document.querySelector('.exercises');
          const clone = videoCard.cloneNode(true);
          
      console.log(clone)
          exercises.appendChild(clone)
        });
      })
    });
  }).catch((error) => {
    // FUCK! An error occurred!
    console.log(error)
  });
}