node js chat application

application development, for example, we can test whether a package is working properly, invoke one of the application's modules separately, perform simple calculations, and so on.3.1.3 Establishing an HTTP servernode. JS server architecture and PHP architecture　　Create a file named App.js with the following code:var http = require (' http '); http.createserver(function(req, res) { Res.writehead ( {' Co

Node. js favicon. ico request troubleshooting, node. jsfavicon. ico Copy codeThe Code is as follows:Var http = require ("http ");Var server = http. createServer ();Server. on ("request", function (req, res) {5 console. log (req. url );Res. end ();});Server. listen (1337, "127.0.0.1 "); Such code will have two requests during the request: In the first example

implementations are implemented. node. JS is a open source, Cross-platform Runtime environment for Server-side and networking applications. node. JS applications is written in JavaScript, and can be run within the node. JS

This article mainly introduces the use of Node. js and Socket. i/O extends Django's real-time processing function. asynchronous real-time processing is quite powerful. the example in this article is to create a real-time chat room. if you need it, refer to the following example, our goal is to use Django, Redis, and Socket. IO creates a real-time

By reference to some of the construction methods on the Web, of course, also in the development process to do some practice, and finally set up a suit for the current multi-page application of the construction scheme, of course, the program is still in the draft version, will continue to optimize in the subsequent evolution process.Individuals feel that the evolution of the programme is worth noting in relation to results. But before we do, let's star

A deep understanding of the path module of node. js, node. jspath Node path Module // Reference this module var path = require ("path "); 1. parse the path to obtain the canonicalized path format. // For the window system, the directories are separated into '\'. For UNIX systems, the separator is '/', '.. 'back to the

What is Node. js? This article mainly introduces what is Node. js? What are the advantages of Node. js ?, To try to explain what Node is. js

large amount of concurrent input/output, a very complex processing system is not required within the application until the client responds. For example: Chat server, in a very popular chat application, at the same time there are often a large number of users and chat server

8888 Port //terminal prints the following information Console.log ( ' Server running at http:// 127.0.0.1:8888/' ); In this way, a simple HTTP Server, even if it is finished, the input node app.js can be run, and then access will see the output results.Why use node. jsFace a new technology, ask a few why is always good. Since PHP, Python, and Java can all be used for back-end development, why do you wan

messages, and the messages may be lost. Category // The client sends the socket. emit ('hello', 'Can you hear me? ', 1, 2, 'abc'); // send the socket. broadcast. emit ('broadcast', 'Hello friends! '); // Send a message to the game chat room, which is not counted as a socket. to ('game '). emit ('Nice game', "let's play a game"); // send messages to the game1 and game2 chat rooms at the same time. It is not

Description of the fs. utimesSync method in node. js, node. jsfs Method description: The file timestamp is modified in synchronous mode. Syntax: Copy codeThe Code is as follows:Fs. utimesSync (path, atime, mtime) Because this method belongs to the fs module, we need to introduce the fs module (var fs = require ("fs") before use ")) Receiving parameters: Path file

all current class libraries, for four reasons: Both dojo and node. js are based on the module specification of commonjs. Dojo naturally supports node. JS, which effectively isolates browser-related code. The STARTUP script can automatically detect the node.

" Event.jsEvent.jsvar Eventemitter = require (' Events '). Eventemitter;var event = new Eventemitter ();//Registers a listener for event some_event Event.on (' some_event ', function () {Console.log ( ' some_event occured. '); SetTimeout (function () {//Send event Some_eventevent.emit (' Some_event ');}, 1000);When does node. js go into the event loop? The answer is that the

Express author TJ said goodbye to Node. js and rushed to Go, tjnode. js First, this is a Farewell Node translated from TJ. js. After reading this article, I have indeed suffered some impact, but I do not agree with some of the author's views, such as I think