You can follow the syntax below to create Websocket Server using Node.JS and WebSocket Client using JavaScript.
websocker-server.js
/* NodeJS WebSocket Server Example -------------------------------------------------- Step 1 : $ npm install websocket Step 2 : Write Code Step 3 : Run $ node websocket-server.js Step 4 : Done -------------------------------------------------- Reference : - https://www.npmjs.com/package/websocket - https://www.pubnub.com/blog/nodejs-websocket-programming-examples/ */ const http = require('http'); const WebSocketServer = require('websocket').server; const server = http.createServer(); server.listen(9898, () => { console.log('WebSocket Server at localhost:9898') }); const wsServer = new WebSocketServer({ httpServer: server }); wsServer.on('request', function(request) { const connection = request.accept(null, request.origin); console.log('\n\n>> REQUEST : '); console.log(request); console.log('\n\n>> PATHNAME : '); console.log(request.resourceURL.pathname); console.log('\n\n>> WSSERVER OBJECT : '); console.log(wsServer); console.log('\n\n>> CONNECTION STATE : '); console.log(connection.state); console.log("\n\n>> QUERY STRING : "); console.log(request.resourceURL.query); console.log("\n\n>> GET PARAMETER['q'] : "); console.log(request.resourceURL.query.q); console.log('\n\n>> CONNECTION : '); console.log(connection); connection.on('message', function(message) { console.log('Received Message :', message.utf8Data); connection.sendUTF('Hi this is WebSocket server!'); connection.close(); }); connection.on('close', function(reasonCode, description) { console.log('Client has disconnected - Reason Code : ' + reasonCode + ' - Description : ' + description); }); });
websocket-client.html
<!-- JavaScript WebSocket Client --------------------------------------------- Reference : - https://www.pubnub.com/blog/nodejs-websocket-programming-examples/ - https://www.npmjs.com/package/websocket --> <!DOCTYPE html> <html> <head> <title>WebSocket Playground</title> </head> <body> </body> </html> <script type="text/javascript"> const ws = new WebSocket('ws://localhost:9898/farizfadian?q=abc'); ws.onopen = function() { console.log('WebSocket Client Connected'); ws.send('Hi this is web client.'); }; ws.onmessage = function(e) { console.log("Received : '" + e.data + "'"); }; ws.onclose = function() { console.log('Disconnected'); }; </script>
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