enlargeImage.js

// Displaying Modal to Enlarge Image
$$(document).on('click', '.enlarge-image', function () {
  const newCommentBtn = document.querySelector('#new-comment');
  const modal = document.querySelector('#enlarge-image');
  const modalImage = document.querySelector('#modal-image');
  const span = document.getElementsByClassName('close')[0];

  newCommentBtn.classList.add('display');
  modal.style.display = "block";
  modalImage.src = this.src;

  span.onclick = () => {
    modal.style.display = "none";
    newCommentBtn.classList.remove('display');
  }
});