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ndn-js

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A JavaScript client library for Named Data Networking

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<?xml version = "1.0" encoding="utf-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "DTD/xhtml1-strict.dtd"> <!-- * Copyright (C) 2014-2019 Regents of the University of California. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * A copy of the GNU Lesser General Public License is in the file COPYING. --> <html xmlns = "http://www.w3.org/1999/xhtml"> <head> <title>Test WebSocket Support</title> <script type="text/javascript"> function test(){ var output = ""; if ('WebSocket' in window) { output += "This browser support WebSocket."; } else { output += "No WebSocket support."; } document.getElementById('result').innerHTML += output; console.log("starting websocket..."); if ("WebSocket" in window) { var ws = new WebSocket("ws://localhost:9696"); ws.onopen = function() { console.log("WebSockets connection opened"); ws.send("Hello Server (from client)."); } ws.onmessage = function(e) { console.log("Got from server: " + e.data); } ws.onclose = function() { console.log("WebSockets connection closed"); } } else { alert("No WebSockets support"); } } </script> </head> <body > <button onclick="test()">Test Now!</button> <p id="result">Result here: </p> </body> </html>