Refactor main.js: Add descriptions, declare variables, and update loop condition

web/main.js

@@ -1,9 +1,13 @@
+// Description: Main JavaScript file for the web application.
+// arrays and stuff
 const sensorData = {};
-let intervalDelay = 5000;
-// Create WebSocket connection.
-const socket = new WebSocket("ws://145.92.8.114/ws");
 let liveGraphs = [];
 
+// variables
+let intervalDelay = 5000;
+let amountOfNodes = 4;
+
+const socket = new WebSocket("ws://145.92.8.114/ws");
 function openConnection() {
   // Open connection
   socket.addEventListener("open", (event) => {
@@ -192,7 +196,7 @@ function updateNodeData(node, temperature, humidity, eCO2, TVOC) {
 }
 
 // Call the function to create the HTML structure
-for (let i = 1; i <= 4; i++) {
+for (let i = 1; i <= amountOfNodes; i++) {
   createNodeData(i);
   liveGraphs.push(new liveGraph(i));
 }