diff --git a/js/load-pictures.js b/js/load-pictures.js
index 8b13789..fb27366 100644
--- a/js/load-pictures.js
+++ b/js/load-pictures.js
@@ -1 +1,19 @@
+import { FILE_TYPES } from './constant.js';
 
+const imgUploadPreview = document.querySelector('.img-upload__preview img');
+const fileChooser = document.querySelector('.img-upload__start input[type=file]');
+
+const loadingPicture = () => {
+  fileChooser.addEventListener('change', () => {
+    const file = fileChooser.files[0];
+    const fileName = file.name.toLowerCase();
+
+    const matches = FILE_TYPES.some((it) => fileName.endsWith(it));
+
+    if (matches) {
+      imgUploadPreview.src = URL.createObjectURL(file);
+    }
+  });
+};
+
+export { loadingPicture };