dummy.js

var modal = document.getElementById("gls-myModal");

// Get the button that opens the modal
var btn = document.getElementById("gls-myBtn");
var anchor = document.getElementById("gls-myBtn");

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

// When the user clicks the button, open the modal 
anchor.onclick = function() {
  modal.style.display = "block";
}

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

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}
// ...........................................
var modal = document.getElementById("gls-myModal");

// Get the button that opens the modal
var btn = document.getElementById("gls-myBtn1");
var anchor = document.getElementById("gls-myBtn1");

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

// When the user clicks the button, open the modal 
anchor.onclick = function() {
  modal.style.display = "block";
}

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

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}
// .........................................................................
var modal = document.getElementById("gls-myModal");

// Get the button that opens the modal
var btn = document.getElementById("gls-myBtn2");
var anchor = document.getElementById("gls-myBtn2");

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

// When the user clicks the button, open the modal 
anchor.onclick = function() {
  modal.style.display = "block";
}

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

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}
// .................................................................................
var modal = document.getElementById("gls-myModal");

// Get the button that opens the modal
var btn = document.getElementById("gls-myBtn3");
var anchor = document.getElementById("gls-myBtn3");

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

// When the user clicks the button, open the modal 
anchor.onclick = function() {
  modal.style.display = "block";
}

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

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}
// .............................................................................
var modal = document.getElementById("gls-myModal");

// Get the button that opens the modal
var btn = document.getElementById("gls-myBtn4");
var anchor = document.getElementById("gls-myBtn4");

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

// When the user clicks the button, open the modal 
anchor.onclick = function() {
  modal.style.display = "block";
}

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

// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
  if (event.target == modal) {
    modal.style.display = "none";
  }
}