removed duplicate element selector & added semicolon

Author: DutsAndrew

animation/02-pop-up/script.js

@@ -1,13 +1,12 @@
 const openButton = document.getElementById('trigger-modal');
 const closeButton = document.getElementById('close-modal');
-const backdrop = document.getElementById('backdrop')
 
 function toggleModal() {
   const modalDiv = document.querySelector('.popup-modal');
-  const backdrop = document.querySelector('.backdrop')
+  const backdrop = document.querySelector('.backdrop');
   modalDiv.classList.toggle('show');
   backdrop.classList.toggle('show');
 }
 
 openButton.addEventListener('click', toggleModal);
-closeButton.addEventListener('click', toggleModal);
+closeButton.addEventListener('click', toggleModal);