fixed tag

app/static/js/drag-and-drop.js

+$(".custom-file-input").on("change", function() {
+            updateFileList();
+        });
+        // -------------
+        // DRAG AND DROP
+        // -------------
+        const dropArea = document.body;
+        const output = document.getElementById('uploaded-items');
+        const fileField = document.getElementById('files');
+
+        if (window.FileList && window.File) {
+            dropArea.addEventListener('dragenter', event => {
+                //$(".card").removeClass("shadow");
+                //$(".card").addClass("drag");
+            });
+
+            dropArea.addEventListener('dragover', event => {
+                console.log("DRAG ENTER");
+                event.stopPropagation();
+                event.preventDefault();
+                event.dataTransfer.dropEffect = 'copy';
+            });
+
+            dropArea.addEventListener('dragleave', () => {
+                //$(".card").removeClass("drag");
+                //$(".card").addClass("shadow");
+            });
+
+            dropArea.addEventListener('drop', event => {
+                event.stopPropagation();
+                event.preventDefault();
+                //$(".card").removeClass("drag");
+                //$(".card").addClass("shadow");
+                fileField.files = event.dataTransfer.files;
+                updateFileList();
+            });
+        }
\ No newline at end of file

app/templates/Upload.html

@@ -102,6 +102,4 @@
             }
         });
     </script>
-        });
-    </script>
 {% endblock content %}
\ No newline at end of file