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Is there any way to create a modal from a background image?

Is there any way to create a modal from a background image?

The example is from w3schools:

css:

.someplace {
  background-image: url("img_tree.gif");
}

html:

 <div class="someplace"></div>

<div id="myModal" class="modal">
  <span class="close">&times;</span>
  <img class="modal-content" id="img01">
  <div id="caption"></div>
</div>


<script>
// 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 = ???????????

  captionText.innerHTML = this.alt;
}

// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];

// When the user clicks on <span> (x), close the modal
span.onclick = function() { 
  modal.style.display = "none";
}
</script>

Thanks

Via Active questions tagged javascript - Stack Overflow https://ift.tt/6yA2kCB
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