Node.js

by Joyent, Inc

Javascript run time that is new and updated

Operating system: Windows

Publisher: Joyent, Inc

Antivirus check: passed

Last revision: Last week

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Node.js is a popular framework whose syntax is based on the JavaScript (JS) programming language. The main purpose of this platform is to develop scalable distributed web projects and applications with high performance. With this component you can create chat rooms with multiple simultaneous connections and even online games. Before installing the "node", it is worth learning the syntax and basics of JS.

The installation kit includes REPL (JS launcher), package manager (npm) and a set of modules. However, most of the time you will have to use the standard command line - cmd.exe. Or you can use a web platform from Microsoft and their WebMatrix application or other stable IDE environment (like PhpStorm or IntelliJ IDEA). Some programmers also prefer to work with the "node" in Cygwin, as the framework was originally developed for Linux and MacOS, and later appeared a stable version for Windows.

The platform concept is based on the work of independent modules. This means that all classes, functions and variables declared through var cannot be used in one file in another, as they are not initially displayed in global space. However, data from different modules can be exported via module.exports or loaded via global objects.

The popularity of the framework is related to the event-oriented approach instead of the threading system. And if JS is most often used to create the client side of the site, then Node.js - to develop the server part with high memory consumption under high load.

- flexible development with JavaScript;

- asynchronous programming;

- support for a large number of simultaneous connections to the server;

- runs on the V8 engine, which is also used in Google Chrome;

- using an event-driven paradigm;

- any third-party programmer can write their own module;

- a large community on stackoverflow and other web resources.

Ethan
In a typical LAMP (Linux-Apache-MySQL-PHP-server) environment, you have a web server, Apache or NGINX, under it, along with PHP running on it. Each connection to the server will generate a new thread, and this makes the application quickly become slow or overloaded - the only way to support more users is by adding more servers. It simply doesn't have good scalability. But with Node.js this is not a problem. There is no Apache server listening to incoming connections and returning the HTTP status code - you will have to manage that server's core architecture yourself. Fortunately, there are some modules that make it easier to do this, but this job still makes it a little difficult for you to get started. However, the result is a high performance web application.
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