From 13e9cf606de35f05d422475bb308303a12bdc2c8 Mon Sep 17 00:00:00 2001
From: Dima Landiak <n0fear2110@gmail.com>
Date: Tue, 31 Oct 2017 13:03:19 +0200
Subject: [PATCH] minor fixes

---
 docs/user-guide/resources/web-socket.html | 85 +++++++++++------------
 docs/user-guide/telemetry.md              |  2 +-
 2 files changed, 40 insertions(+), 47 deletions(-)
diff --git a/docs/user-guide/resources/web-socket.html b/docs/user-guide/resources/web-socket.html
index e0567bdaf2..6f89ee1bd1 100644
--- a/docs/user-guide/resources/web-socket.html
+++ b/docs/user-guide/resources/web-socket.html
@@ -3,54 +3,47 @@
 <head>
 
     <script type="text/javascript">
-        function WebSocketTest() {
-            if ("WebSocket" in window) {
-                alert("WebSocket is supported by your Browser!");
-
-                var token = "YOUR_JWT_TOKEN";
-                var entityId = "YOUR_DEVICE_ID";
-                var webSocket = new WebSocket("ws(s)://host:port/api/ws/plugins/telemetry?token=" + token);
-
-                if (entityId === "YOUR_DEVICE_ID" || token === "YOUR_JWT_TOKEN") {
-                    alert("Invalid token or device id!");
-                    webSocket.close();
-                }
-
-                webSocket.onopen = function () {
-                    var object = {
-                        tsSubCmds: [
-                            {
-                                entityType: "DEVICE",
-                                entityId: entityId,
-                                scope: "LATEST_TELEMETRY",
-                                cmdId: 10
-                            }
-                        ],
-                        historyCmds: [],
-                        attrSubCmds: []
-                    };
-                    var data = JSON.stringify(object);
-                    webSocket.send(data);
-                    alert("Message is sent: " + data);
-                };
-
-                webSocket.onmessage = function (event) {
-                    var received_msg = event.data;
-                    alert("Message is received: " + received_msg);
-                };
-
-                webSocket.onclose = function (event) {
-                    alert("Connection is closed!");
-                };
-
-                window.onbeforeunload = function (event) {
-                    webSocket.close();
-                };
+        function WebSocketAPIExample() {
+            var token = "YOUR_JWT_TOKEN";
+            var entityId = "YOUR_DEVICE_ID";
+            var webSocket = new WebSocket("ws(s)://host:port/api/ws/plugins/telemetry?token=" + token);
+
+            if (entityId === "YOUR_DEVICE_ID") {
+                alert("Invalid device id!");
+                webSocket.close();
             }
 
-            else {
-                alert("WebSocket is NOT supported by your Browser!");
+            if (token === "YOUR_JWT_TOKEN") {
+                alert("Invalid JWT token!");
+                webSocket.close();
             }
+
+            webSocket.onopen = function () {
+                var object = {
+                    tsSubCmds: [
+                        {
+                            entityType: "DEVICE",
+                            entityId: entityId,
+                            scope: "LATEST_TELEMETRY",
+                            cmdId: 10
+                        }
+                    ],
+                    historyCmds: [],
+                    attrSubCmds: []
+                };
+                var data = JSON.stringify(object);
+                webSocket.send(data);
+                alert("Message is sent: " + data);
+            };
+
+            webSocket.onmessage = function (event) {
+                var received_msg = event.data;
+                alert("Message is received: " + received_msg);
+            };
+
+            webSocket.onclose = function (event) {
+                alert("Connection is closed!");
+            };
         }
     </script>
 
@@ -58,7 +51,7 @@
 <body>
 
 <div id="sse">
-    <a href="javascript:WebSocketTest()">Run WebSocket</a>
+    <a href="javascript:WebSocketAPIExample()">Run WebSocket</a>
 </div>
 
 </body>
diff --git a/docs/user-guide/telemetry.md b/docs/user-guide/telemetry.md
index a4613d0384..2dedffc12e 100644
--- a/docs/user-guide/telemetry.md
+++ b/docs/user-guide/telemetry.md
@@ -153,7 +153,7 @@ Change values of the following variables :
  
  - replace **host:port** with **demo-thingsboard.io** and choose secure connection - **wss://**
  
- In case of local instalation :
+ In case of local installation :
  
  - replace **host:port** with **127.0.0.1:8080** and choose **ws://**
  
