node js chat

Project needs, so I learned how to use node. js + socket. io to implement the private chat function. After busy working for a long time, I finally figured it out. The basic principle is that when the server receives When a socket connects to the request, each socket will establish a socket, and the connected socket is not expressed, so each socket can only send i

This article will introduce the net module of node. js by developing a simple chat room. 　　 　　I. The first version only sends information to the client First, implement a simple version with the following code: var net=require('net');var chatServer=net.createServer();chatServer.on('connection',function(client){ client.write('hi!\n'); client.write('bye!\n')

. shift (). callback ([]);}},3000 );}; The channel defines two variables, two methods, and a setInterval function that is executed every 3 seconds.First, let's look at the query method,The query method receives two parameters:Since: record a timeCallback: The anonymous function passed in when the channel. query method is called. (In JS, the function can be called directly after the parameter is passed and received. I don't want to make up the course s

Nodejs is a simple chat server. The implementation code is as follows: Var net = require ('net'); var chatServer = net. createServer (), clientList = []; chatServer. on ("connection", function (client) {client. name = client. remoteAddress + ":" + client. remotePort; client. write ("Hi! "+ Client. name + "\ n"); clientList. push (client); client. on ("data", function (data) {// send data to the client broadcast (data, client); // clientList [I]. write

This article mainly introduces what is Node. js? What are the advantages of Node. js ?, To try to explain what Node is. js, this article will briefly introduce some background information: the problem to be solved, how it works, h

This article mainly introduces a simple node. js server example. This article implements a simple helloworld example and shows how to run this server, for more information, see the following example: hello world. It seems that the first section of each language tutorial will talk about this, and we are no exception. First, create a project directory, which can be defined by yourself. In this case, the d

This article mainly introduces several important knowledge points of node. js: The Role of node. js, callback, synchronous and asynchronous code, event loop 1, and the role of node. js, The meaning of I/O. Move the mouse to see t

Why is Node. js so popular? Why is Node. js popular? Why is node. js popular? Node. js is a server technology used to build and run Web appl

Getting started with Node. js development-notepad ++ for Node. js and node. jsnotepad For Node. js development, IDE,WebstormIt is the best option, but it is charged (free for 30 days )

based on Websocet simple chat room (Nodejs + node-websocket-server)3 People collection This article, collection of this article published 24 days ago, there have been 135Times read a total 2A comment 3People to collect this article Recently in the study of HTML5 related things, see WebSocket is a very powerful technology, so a small try, made a simple chat room.

About the difference between node. js and JavaScript, you know? Do you know about the similarities between node. js and JavaScript? If you do not know, then don't come to see this article, you are still waiting for what, see now First, let's look at the comparison between JS