uppercase

public/index.html

@@ -37,7 +37,7 @@
             const inputField = document.getElementById('input');
             const message = inputField.value;
 
-            if (message === 'blink') {
+            if (message === 'BLINK') {
                 socket.emit('blink', message);
                 socket.emit('blink');
                 console.log('socket: blink');