finish lab

tempbat.js

@@ -0,0 +1,53 @@
+$(document).ready(function() {
+    var socket;
+    var logElement = document.getElementById('log');
+    var tempButton = document.getElementById('temp');
+    var batButton = document.getElementById('bat');
+    var disconButton = document.getElementById('discon');
+
+    function logMessage(message) {
+        logElement.value += message + '\n';
+    }
+
+    function connect() {
+        socket = new WebSocket("ws://webex.sdi.hevs.ch/temp");
+
+        socket.onopen = function() {
+            logMessage('Connection open');
+            tempButton.removeAttribute('disabled');
+            batButton.removeAttribute('disabled');
+            disconButton.textContent = 'Disconnect';
+        };
+        socket.onclose = function() {
+            logMessage('Connection close');
+            tempButton.setAttribute('disabled', 'true');
+            batButton.setAttribute('disabled', 'true');
+            disconButton.textContent = 'Reconnect';
+        };
+
+        socket.onerror = function(error) {
+            logMessage('Error: ' + error.message);
+        };
+        socket.onmessage = function(msg) {
+            logMessage(msg.data);
+        };
+    }
+
+    connect();
+
+    document.getElementById('temp').addEventListener('click', function() {
+        socket.send("temp");
+    });
+
+    document.getElementById('bat').addEventListener('click', function() {
+        socket.send("bat");
+    });
+
+    document.getElementById('discon').addEventListener('click', function() {
+        if (socket.readyState === WebSocket.OPEN) {
+            socket.close();
+        } else {
+            connect();
+        }
+    });
+});