Update static/script.js

static/script.js

@@ -20,7 +20,7 @@ function addMessage(role, message) {
 }
 
 function sendMessage() {
-    const userInput = document.getElementById('chatMessages');
+    const userInput = document.getElementById('userInput');
     if (!userInput) {
         console.error('User input field not found!');
         return;