Is nodejs a language?

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Nodejs is not a language, but can run JavaScript on the server side of the open source, cross-platform execution environment; Node uses V8 code developed by Google to execute code, using event-driven, non-blocking and asynchronous I / O model and other technologies to improve performance, can optimize the transmission volume and scale of the application.

This article operating environment: windows7 system, nodejs10.6 version, Dell G3 computer.

Is nodejs a language?

Nodejs is not a language.

Node.js is an open source, cross-platform execution environment that can run JavaScript on the server side. Node.js is owned and maintained by OpenJS Foundation (formerly Node.js Foundation, merged with JS Foundation) and is also a project of the Linux Foundation.

Node.js uses V8 developed by Google to execute code, uses technologies such as event-driven, non-blocking and asynchronous input-output models to improve performance, and optimizes the transmission volume and scale of applications. These techniques are commonly used in data-intensive real-time applications.

Most of the basic modules of Node.js are written in JavaScript. Before the advent of Node.js, JavaScript was usually used as a client programming language, and programs written in JavaScript were often executed on users' browsers. The advent of Node.js enables JavaScript to also be used for server-side programming. Node.js contains a series of built-in modules that allow programs to be executed as stand-alone servers without Apache HTTP Server or IIS.

At present, Node.js has been adopted by IBM, Microsoft, Yahoo!, Walmart, Groupon, SAP, LinkedIn, Rakuten, PayPal, Voxer, GoDaddy and other enterprises.

Node.js uses the Google V8 JavaScript engine because:

V8 is open source software based on BSD license

V8 is very fast.

V8 focuses on network functions and is more mature in HTTP, DNS, TCP, etc., compiled by source code

We can use the following command to view the current version of Node:

$node-vv4.4.3

Note: there may be differences between different versions.

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