update npm dependencies code example

Example 1: use npm to update packages to latest version

npm i -g npm-check-updates
ncu -u
npm install

Example 2: update node.js dependencies

npm install -g npm-check-updates
ncu -u
npm update
npm install

Example 3: how to update version of dependencies reactjs

$ npm install -g npm-check-updates
$ ncu -u
$ npm install