It’s common for developers to have multiple versions of Node.js installed and to switch between them while working. In that case, it becomes necessary to switch to the latest version the script supports. It would then be necessary to switch to the current version to enable trying out those features.Īnother situation would be when working on an older script that does not support the latest LTS version. The LTS version may not support those features. However, let’s say the work involves multiple projects and includes one in which the latest JavaScript features would be useful. The OpenJS Foundation supports an LTS version for 30 months, during which any bugs will be fixed.įor most uses, a developer wants an LTS version that is still within the 30-month support window. A version remains current for six months before being moved to LTS. On the download page, the current version is the one being developed and may still have bugs being worked out. When Different Versions of Node.js Are Neededįor Node.js in production, the recommendation is to use the even-numbered LTS versions. LTS versions are usually recommended for most users. The Latest Features Version is generally used for experimentation due to its changing and untested nature. It is by then a more secure and stable environment. It also allows those loyal to the older versions to keep using them.Īs the version cycle reaches its end, the codebase for the Latest Features Version is moved to LTS with all upgrades and added features intact. It is kept in a separate category so major features, architectural changes, and performance enhancements may be developed and added without affecting the stable older environments. It is the version currently in development. The Latest Features (Current) Version is exactly what its name implies. This is useful in that bug fixes, security updates, and minor features are still available for use in these versions. LTS stands for “long-term support.” Any version with this designation, though not the latest, is still in use and supported and maintained by the developer for a longer time than other older versions. There are two categories of Node.js versions, each with more than one version within it. In 2019, the OpenJS Foundation was formed and continues to be the current developer of Node.js. npm makes it much easier to install, update, and uninstall packages. This is a package manager that facilitates sharing and publishing source code of Node.js packages by developers. The first release supported only Mac and Linux, but a native Windows version, sponsored by Joyent, was released in 2011. In 2009, 13 years after the introduction of Netscape’s LiveWire Pro Web (the first server-side JavaScript environment), Ryan Dahl wrote the initial version of Node.js. Node.js is particularly good for designing browser games and real-time communication scripts, as its architecture is event-driven and allows for asynchronous input/output. This enables developers to use a single programming language and helps streamline the development process. JavaScript creates the page server-side and sends it to the client. What this means is that a dynamic web page does not have to be produced from script on the user’s platform. It has the advantage of allowing developers to use JavaScript for server-side scripting and writing command-line tools. Originally authored by Ryan Dahl and developed by the OpenJS Foundation, Node.js is a cross-platform, back-end, open-source JavaScript runtime environment. First, though, learn about Node.js and how to easily change versions. There is also software to protect an organization’s codebase from vulnerabilities and license exposure, a possible side effect of changing Node versions. Fortunately, tools exist to facilitate changing between node versions and npm registries. Many developers also need to switch between various npm registries while working in a development environment. ![]() For developers who work in multiple applications and on multiple projects, the need to change Node versions occurs often. New versions of Node.js are frequently released. The JavaScript runtime environment Node.js provides developers with server-side scripting and is used by several The JavaScript runtime environment Node.js provides developers with server-side scripting and is used by several corporations, including Netflix, LinkedIn, and PayPal.
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