To update global packages, you can use npm install -g <package>:
npm install -g jshint
To find out which packages need to be updated, you can use npm outdated -g --depth=0.
To update all global packages, you can use npm update -g. However, for npm versions less than 2.6.1, this script is recommended to update all outdated global packages.
Last modified November 29, 2015 Found a typo? Send a pull request!