npm --save-dev code example

Example 1: redux-devtools-extension npm

npm install --save redux-devtools-extension

Example 2: npm install in dev mode

npm install packageName --save-dev

Example 3: how to install dependencies from package.json

npm install // installs dependencies listed in package.json

Example 4: npm install --save-dev @angular/cli@latest

npm install --save-dev @angular/cli@9.1

Example 5: npm install and add to dependancies

npm i packageName -save