First, since Node.js is asynchronous, you need to use promises, async Asynchrony, in software programming, refers to events that occur outside of the primary program flow and methods for dealing with them. There are a few things to keep in mind when writing Node.js applications. These features make it perfect for data-intensive, real-time applications that run across distributed devices.
Node.js applications are written in JavaScript, and can be run on Mac OS X, Windows, and Linux which makes it fully cross-platform. Node.js has an event-driven architecture and a non-blocking I/O model that makes it lightweight and efficient. Node.js also has a large community of developers who are constantly creating new modules and libraries to make development easier. It also provides a first-class development experience, making it an ideal platform for web-based applications. It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices. Node.js is a platform built on Chrome’s JavaScript runtime for easily building fast, scalable network applications. If you are already familiar with Node, but need a quick refresher about it, we’ve got you covered: If you’re using Windows, you’ll need to use nvm-windows, which has almost the same API as nvm, but is a completely different project, and has a different philosophy.
To update Node to the latest LTS version, you can use the nvm update node command.įor further details on how to install specific versions, see the nvm docs: If you want to uninstall node.js, you can type: To use a specific version of node.js, you can do: The preferred way for managing your local node.js versions is to use nvm, which can be installed like this: It allows you to install, uninstall, list, and switch between node versions. NVM (Node Version Manager) is a bash script that allows you to manage multiple active versions of Node.js.
$ npm -v Managing your Node versions with nvm To only check your npm version, you can use the following command: These commands will try to clean up any issues with your npm cache and install Node with permissions that may help resolve any installation issues. If you are having issues with your node installation, you can try the following commands: Using npm to check your node version (and also update it)Īlternatively, you can use a package manager like npm to update Node. and Current versions, check out our blog post that collects and lists all major updates. The Active release line often gets new features and other improvements beside security patches and bug fixes, and the Maintenance only gets the latter.
There are two separate kinds of LTS releases: Active and Maintenance. The acronym is often used to mark Node.js release lines that will be maintained and supported for an extended period. To check the latest version of Node for both the LTS LTS means long-term support. If you want to learn more about Node.js, you can find instructions and official docs on the node website. This will return the current version of node that is installed on your system. To check the version of Node.js on your computer (may it run MacOS, Windows or a Linux distro such as Ubuntu), run the following command: In this article below, we list ways for you to check your Node version with different methods, on different operating systems.
There are three components to npm: the website the Command Line Interface (CLI) the registry Use the website to discover and download packages, create user profiles, and., or nvm as well to do it. npm is used by open source developers from all around the world to share and borrow code, as well as many businesses. You can use basic command line prompts, npm npm is a software registry that serves over 1.3 million packages. There are several ways to check the Node version you’re using. Also, you might not want to miss out on essential security patches or experience compatibility problems. version you have in a project is vital because it affects the Node and JavaScript language features you can use.
Node.js is free of locks, so there's no chance to dead-lock any process. Knowing what Node.js Node.js is an asynchronous event-driven JavaScript runtime and is the most effective when building scalable network applications.