documentation for all JS files

static/js/avatar-preview.js

@@ -1,3 +1,18 @@
+/**
+ * @fileoverview Provides avatar image preview functionality.
+ * This file handles:
+ * - File selection event handling
+ * - Image preview generation
+ * - Real-time avatar preview updates
+ */
+
+/**
+ * Generates a preview of the selected avatar image.
+ * Reads the selected file and updates the preview image element.
+ * @function
+ * @param {Event} event - The file input change event
+ * @param {FileList} event.target.files - The list of selected files
+ */
 function previewAvatar(event) {
     const [file] = event.target.files;
     if (file) {