изменения

js/showLargePicture/index.js

@@ -0,0 +1,22 @@
+const bigPictureBlock = document.querySelector('.big-picture');
+const pictureList = document.querySelector('.pictures');
+const bigPictureCancel = document.querySelector('.big-picture__cancel');
+
+//функция закрытия
+
+const onCloseBigPicture = () => {
+  bigPictureBlock.classList.add('hidden');
+  bigPictureCancel.removeEventListener('click', onCloseBigPicture);
+};
+
+const onOpenBigPicture = (evt) => {
+  evt.preventDefault();
+
+  if(evt.target.closest('.picture')){
+    bigPictureBlock.classList.remove('hidden');
+    bigPictureCancel.addEventListener('click', onCloseBigPicture);
+  }
+};
+
+
+pictureList.addEventListener('click', onOpenBigPicture);