Answers for "how to update npm package"

update npm

// update npm//
npm install -g npm@latest

use npm to update packages to latest version

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

upgrade npm

npm i -g npm-upgrade

how to update my package.json

npm install -g npm-check-updates
/after install run following:
ncu -u

//Then this:
npm update

update npm

npm install -g npm@latest
#may require the use of sudo depending on your distro
sudo npm install -g npm@latest

npm update.

// update npm//
npm install -g npm@latest