websocket.js

var connection;
var endpoint = '192.168.1.99';
var port = '1200';

function onLoad() {

    if (checkWSSupport()) {

        var connection = new WebSocket(endpoint, port);

    }

}

function checkWSSupport() {

    if ('WebSocket' in window) {

        console.log("WebSockets are supported in this browser.");
        return true;

    } else {

        console.log("WebSockets are NOT supported in this browser.");
        return false;

    }

}

function initWebSocket(ep, p) {

    console.log("Attempting to initialize WebSocket...");

    try {

        connection = new WebSocket('ws://' + ep + ':' + p);

    } catch (error) {

        console.log("Could not initialize WebSocket...");

    }

    connection.onopen = function() { // Runs when WebSocket connection is successfully opened.

        console.log("WebSocket connection has opened...");

    };

    connection.onmessage = function(e) { // Runs when the WebSocket connection receives a frame.

        console.log("RECEIVED: " + e.data);

    }

    connection.onerror = function(error) { // Runs when the WebSocket connection errors.

        console.log("WebSocket Error: " + error.data);

    }

    connection.onclose = function() { // Runs when the WebSocket connection is closed.

        console.log("WebSocket connection has closed.");

    }

}

function reloadWebSocket() {

    console.log("Reloading WebSocket...");
    connection = null;
    initWebSocket(endpoint, port);

}