update node package code example

Example 1: how to update my package.json

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

//Then this:
npm update

Example 2: update node.js dependencies

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

Example 3: 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 4: npm update all

npm update --save

Example 5: update all dependencies npm

npm update  //update all local packages

Example 6: update npm package

Use npm|yarn outdated to see which modules have newer versions
Use npm update|yarn upgrade (without a package name) to update all modules
Include --save-dev|--dev if you want to save the newer version numbers to your package.json. (NOTE: as of npm v5.0 this is only necessary for devDependencies).
Use npm install package@major-version to update to major version