add that for custom models too - Follow Up Deployment

index.html

@@ -679,7 +679,7 @@
                 chatArea.appendChild(messageElement);
                 const contentElement = messageElement.querySelector('#streaming-content');
                 
-                let response = '';
+                response = '';
                 const onStream = (content) => {
                     response = content;
                     contentElement.innerHTML = marked.parse(response);