Table of Contents
Node.js version number
Node.js Installation Methods
Official website installation
nvm Installation
Docker installation
Package Manager Installation
Summary
Home Web Front-end Front-end Q&A nodejs installation version number

nodejs installation version number

May 14, 2023 am 09:04 AM

Node.js is a JavaScript runtime based on the Chrome V8 engine that can be used to build server-side applications. It makes applications efficient and lightweight by providing an event-driven, non-blocking I/O execution model. When writing Node.js applications, a common question is how to install the required Node.js version. This article will introduce the relevant knowledge of Node.js installation version number.

Node.js version number

Before understanding the relevant knowledge of Node.js version installation, let’s first understand the naming rules of Node.js version number. The Node.js version number consists of three numbers, namely the major version number, the minor version number and the revision number. The format is "X.Y.Z":

  • Major version number (X): When making major API When changes or incompatible upgrades occur, the major version number is increased.
  • Minor version number (Y): When features are added or backward-compatible changes are made, the minor version number is increased.
  • Revision number (Z): When making backward-compatible bug fixes, increment the revision number.

For example, the Node.js version number 12.16.2 means that the major version number is 12, the minor version number is 16, and the revision number is 2.

Node.js Installation Methods

There are several ways to install Node.js, depending on the operating system you are using and personal preference. Here are some common installation methods.

Official website installation

Node.js official website provides installation programs for multiple operating systems. You can visit https://nodejs.org/en/ to download and install the required version. Node.js.

nvm Installation

nvm (Node Version Manager) is a tool that helps you install and manage multiple Node.js versions simultaneously on your computer. You can download and install nvm at https://github.com/nvm-sh/nvm, and then use the following commands to install and switch Node.js versions:

nvm install <版本号>
nvm use <版本号>
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Docker installation

If you If you use Docker for application development, testing, or production, you can use Docker to run Node.js containers. You can find the image of the Node.js container on Docker Hub. For example, docker pull node:12 can download the image of Node.js version 12.

Package Manager Installation

Most operating systems provide a package manager to manage software packages. Installing Node.js using a package manager makes it easy to install and upgrade Node.js versions. For example, using Homebrew (Mac OS), you can use the following command to install Node.js:

brew install node
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Summary

This article introduces the naming rules of Node.js version numbers and common Node.js installation methods , including official website installation, nvm installation, Docker installation and package manager installation. Depending on your needs and operating system, you can choose one or more installation methods to install the required version of Node.js.

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