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Answers for "javascript websocket client example"

Javascript
1

websocket sample code js

/*
 * Link starts with ws:// or wss://
 * ws:// for non ssl
 * wss:// for ssl
*/
let ws = new WebSocket('LINK_HERE')
        
ws.addEventListener('open', function (event) {
  //WebSocket Connected
  console.log('connected')
})

ws.addEventListener('message', function (event) {
  //Received message
  console.log('MESSAGE RECEIVED')
  console.log(event.data) //MESSAGE DATA
})

ws.addEventListener('close', function (event) {
  //WebSocket disconnected
  console.log('disconnected')
})

// To send data
ws.send('hello')

// Only text formats allowed to send, if data is in json format use
ws.send(JSON.stringify(object))
Posted by: Guest on June-03-2021
7

nodejs websocket tutorial

/*
Author: Logan Smith - Perkins
*/

// Importing the http library, used to start servers
const http = require('http');
// Importing the websocket library which is used to interface between webpage and nodejs
const WebSocketServer = require('websocket').server;
// This server is created using the http createServer function, which enables the user to create a http connection with a webpage
const server =- http.createServer();
// The server then listens on the port specified
server.listen(7000);

// We then create a new variable which will store the actual server I'll be running
const wsServer = new WebSocketServer({
	// Then we set the parameter of httpServer to the server variable that we said that would be listening on the port specified
	httpServer : server
});

// Next we check if someome is trying to connect to the server, i.e. the name request, it's requesting access to the server
wsServer.on('request', function(request){
	// We store the actual connection as a variable and we accept that client to connect to this server
	const connection = request.accept(null, request.origin);
	// This function is run when this client sends a message to the server.
	connection.on('message', function(message){
		// We print out to the console the recieved message decoded to utf8
		console.log("Recieved Message: " + message.utf8Data);
		// Then we send specifically to this connection back a message
		connection.sendUTF("Hello this is the websocket server.");
	});
	// This code is run when the user disconnects from the server.
	connection.on('close', function(reasonCode, description){
		// We just print to the console that a client has disconnected from the server.
		console.log("A client has disconnected.");
	});
});
Posted by: Guest on February-16-2020
6

javascript websocket example code

var Socket = new WebSocket('ws://' + window.location.hostname + ':81/'); // The '81' here is the Port where the WebSocket server will communicate with
// The instance of the WebSocket() class (i.e. Socket here), must need to be globally defined

Socket.send("pass your data here, and it'll be String"); // This method one can call locally
Posted by: Guest on May-31-2020
3

js connect to websocket

var exampleSocket = new WebSocket("wss://www.example.com/socketserver", "protocolOne");
Posted by: Guest on February-22-2020
1

javascript websocket

// npm install --save ws
const WebSocket = require('ws');

const ws = new WebSocket('ws://www.host.com/path');

ws.on('open', function open() {
  ws.send('something');
});

ws.on('message', function incoming(data) {
  console.log(data);
});
Posted by: Guest on April-27-2021

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