update npm packages in package.json code example

Example 1: upgrade all packages in package.json

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

Example 2: how to update my package.json

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

//Then this:
npm update

Example 3: npm update package.json version field by code

# From 1.0.0 -> 1.0.1
npm version patch 

# From 1.0.1 -> 1.1.0
npm version minor

# From 1.1.0 -> 2.0.0
npm version major