Node.js can be installed in multiple ways on a system, and the upgrade instructions depend on how you first installed it.
If you installed Node using the official package
The easiest way to install Node is to download the official package from the Node.js website.
The official package contains an installer that will detect the existing version of Node.js and it will overwrite it with the new one.
If you installed Node using Homebres (on macOS)
Homebrew is a very popular way to install Node.js on a Mac.
If you did use Homebrew, upgrading Node is as simple as running
brew update #makes sure Homebrew is up to date brew upgrade node
Homebrew might ask you to upgrade your xCode version to compile the package.
If you use
nvm is a popular way to run Node. It allows you to easily switch the Node version, and install new versions to try and easily rollback if something breaks, for example.
It is also very useful to test your code with old Node versions.
When you use
nvm, you can check the current version you are running by typing
nvm current, which will give you the same result as
To list all the installed versions, run
You can install a new Node release (or any old Node release, too) using
nvm install <VERSION>, for example:
nvm install 10.8.3
Once installed, you can set that Node.js version to be the one to use by typing
nvm use 10.8.3
This will set 10.8.3 to the default Node version, system-wide.