HW13 done

HW13/main.js

@@ -57,13 +57,11 @@ let messageId = 0;
 
 send.onclick = async function sendAndCheck() {
 
-    await sendMessage('http://students.a-level.com.ua:10012', {
+    await Promise.all([sendMessage('http://students.a-level.com.ua:10012', {
         func: 'addMessage',
         nick: nick.value,
         message: message.value,
-    });
-
-    await getMessages()
+    }), getMessages()]);
 };
 
 async function sendMessage(url, data) {