Modal js script

modal.js

var modal = document.querySelector('.modal-container');
var btnOpen = document.querySelectorAll('.btn-open');
var btnClose = document.querySelector('.btn-close');
var modalSkin = document.querySelector('.modal-skin');

for (var i = 0; i < btnOpen.length; i++) {
  btnOpen[i].addEventListener('click', function() {
    modalToggle();
  });
}

btnClose.addEventListener('click', function() {
  modalToggle();
});

modalSkin.addEventListener('click', function() {
  modalToggle();
});

function modalToggle() {
  modal.classList.toggle('opened');
}