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This article mainly introduces node refers to the server language, the article is very detailed, has a certain reference value, interested friends must read it!

Node is a server-side language, but to be exact, it is an open source, cross-platform execution environment that can run JavaScript on the server side, and most of the basic modules of Node.js are written in JavaScript.

This article operating environment: Windows7 system, nodejs10.16.2 version, Dell G3 computer.

Is node a server 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 [6]. 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.

To put it simply, Node.js is a JavaScript running on the server side.

Node.js is a platform based on the Chrome JavaScript runtime.

Node.js is an event-driven JavaScript environment on the server side of Google. The V8 engine based on Google executes Javascript very fast and the performance is very good.

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.

Node.js already has hundreds of thousands of modules, which can be downloaded for free through a manager called npm. The Node.js development community mainly has two mailing lists and an IRC channel called # node.js on freenode.

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