Fix drag and drop example (#357)

* Fix drag and drop example

Fixes #356

* Update index.bs

index.bs

@@ -1796,20 +1796,19 @@ elem.addEventListener('dragover', (e) => {
   // Prevent navigation.
   e.preventDefault();
 });
+
 elem.addEventListener('drop', async (e) => {
-  // Prevent navigation.
   e.preventDefault();
 
-  // Process all of the items.
-  for (const item of e.dataTransfer.items) {
-    // kind will be 'file' for file/directory entries.
-    if (item.kind === 'file') {
-      const entry = await item.getAsFileSystemHandle();
-      if (entry.kind === 'file') {
-        handleFileEntry(entry);
-      } else if (entry.kind === 'directory') {
-        handleDirectoryEntry(entry);
-      }
+  const fileHandlesPromises = [...e.dataTransfer.items]
+    .filter(item => item.kind === 'file')
+    .map(item => item.getAsFileSystemHandle());
+
+  for await (const handle of fileHandlesPromises) {
+    if (handle.kind === 'directory') {
+      console.log(`Directory: ${handle.name}`);
+    } else {
+      console.log(`File: ${handle.name}`);
     }
   }
 });