How do I use a Socket.IO node?

Installing Express. js and Socket.io

1. Create a folder and change the directory. In this tutorial we call the folder myapp .
2. Use npm init to create a package. json.
3. Install Express and Socket.io using the npm package manager, and save them to our package. json file for later.
4. Install jquery using npm .

How do I connect socket IO client to server?

var socket = require(‘socket. io-client’)(‘ws://ws.website.com/socket.io/?EIO=3&transport=websocket’); socket. on(‘connect’, function() { console. log(“Successfully connected!”); });

How do I integrate Socket.IO in node js?

Socket IO Example

1. Create a Node.
2. Update “package.
3. Observe default “node_modules” folder.
4. Update “node_modules” with “socket.io” library.
5. Update app.js with the following content:
6. Update index.jade file with the following content:
7. Update index.js file with the following content:
8. Final project structure looks like this:

How do I find my Socket.IO userName?

var userNames = {}; socket. on(‘setSocketId’ function(data) { var userName = data.name; var userId = data. userId; userNames[userName] = userId; }); you can do it on server side also when socket gets connected but you have to give some default name to user and then emit the client the default name.

How do I connect to a WebSocket?

In order to communicate using the WebSocket protocol, you need to create a WebSocket object; this will automatically attempt to open the connection to the server. The URL to which to connect; this should be the URL to which the WebSocket server will respond.

How do I connect a Socket in HTML?

var Socket = new WebSocket(url, [protocal] ); Here first argument, url, specifies the URL to which to connect. The second attribute, protocol is optional, and if present, specifies a sub-protocol that the server must support for the connection to be successful.

How do I start a Socket.IO server?

The script section in index.html should now look as follows: