background colour conditions

public/index.html

@@ -19,23 +19,17 @@
             // Split the data into separate parts
             const [node, value] = data.split(' ');
             
-
             if (node === 'node3' && value === '15') {
               // Change the background color to red
               document.body.style.backgroundColor = 'red';
-            } 
-
-            if (node === 'node4' && value === '21') {
+            } else if (node === 'node4' && value === '21') {
               // Change the background color to blue
               document.body.style.backgroundColor = 'blue';
-            } 
-
-            else {
+            } else {
               // Restore the default background color
-              document.body.style.backgroundColor = 'white';
+              document.body.style.backgroundColor = rgb(26, 26, 26);
             }
-            });
-
+          });
           function sendMessage() {
             const inputField = document.getElementById('input');
             const message = inputField.value;