// Get the modal var modal = document.getElementById("myModal"); // Get the image and insert it inside the modal - use its "alt" text as a caption var img = document.getElementById("myImg"); var modalImg = document.getElementById("img01"); var captionText = document.getElementById("caption"); img.onclick = function(){ modal.style.display = "block"; modalImg.src = this.src; captionText.innerHTML = this.alt; } // Get the element that closes the modal var span = document.getElementsByClassName("close")[0]; // When the user clicks on (x), close the modal span.onclick = function() { modal.style.display = "none"; }