Installation de NPM en mode Dev
npm install packageName --save-dev
Lokesh003
npm install packageName --save-devnpm install // installs dependencies listed in package.json#how to install project dependecies when you download project
# example:
npm install
#NOTE:: by entering only this command your all dependecies will automatically installed.npm install <package-name> --save # Installs the package and add dependency in package.json
npm install # Installs dependencies listed in package.jsondependencies are the modules that the project relies on to function properly.