what do you need to do after upgrading node js code example

Example 1: update nodejs

//First, clear the npm cache:
	npm cache clean -f

//Install n, Node’s version manager:
	npm install -g n
    
//With the n module installed, you can use it to:
	Install the latest stable version: n stable
	Install the latest release: n latest

Example 2: how to update node js version

//check node version
>node -v
// let's install a program called n that will let us easily switch 
//between Node versions.
>npm install -g n
//Upgrading to the latest stable version
>n stable 
//Changing to a specific version
>n 10.16.0

Example 3: Please update your node with version 8.11.3 or greater (but not version 10)

nvm install v14.15.0

Example 4: update node with nvm

// to see which versions of node you have run:
nvm ls

// example:
// nvm ls
//         v8.10.0
// ->      v8.16.0
//       v10.21.0
//         system
// default -> 8.16.0 (-> v8.16.0)

// in this case use
nvm use 10.21.0

// you can also uninstall and reinstall if you are having issues
// by following the steps in:
// https://stackabuse.com/how-to-uninstall-node-js-from-mac-osx/