Modern JavaScript from the Beginning - Second Edition - NPM Packages/Modules

The video tutorial covers the basics of using NPM, the Node Package Manager, to manage JavaScript packages. It explains how to set up a Node.js project, create a package.json file, and install packages like Axios for making HTTP requests. The tutorial also discusses the difference between global and development dependencies and demonstrates how to use NPM scripts for automating tasks in a Node.js application.

What is the primary purpose of NPM in a Node.js project?

• To run Python scripts

• To create HTML files

• To manage and install third-party packages

• To compile JavaScript code

Where can you find detailed information about a package like Axios?

• In the JavaScript console

• In the Node.js documentation

• In the package.json file

• On the NPM website and GitHub repository

What command is used to initialize a Node.js project and create a package.json file?

• npm run

• npm init

• npm install

• npm start

What is the purpose of the node_modules folder in a Node.js project?

• To run Python scripts

• To compile JavaScript code

• To keep track of installed packages and their dependencies

• To store HTML files

Why should the node_modules folder be excluded from version control?

• It is not necessary for running the application

• It contains compiled code

• It is too large and can be regenerated

• It contains sensitive information

How do you import a package like Axios in a Node.js application?

• By copying the package files into the project

• By using the require function with the package name

• By using a URL link

• By using a script tag

What is the difference between a global and a local package installation?

• Local packages are installed on the system

• Global packages are installed in the project folder

• Global packages are installed on the system and can be used anywhere

• Local packages can be used in any project

What is the purpose of a dev dependency in a Node.js project?

• To be used in production environments

• To be used only during development

• To manage user authentication

• To enhance the performance of the application

How can you run a script defined in the package.json file?

• By using npm compile

• By using node start

• By using npm run followed by the script name

• By using npm execute

What command would you use to start a Node.js application using a script defined in package.json?

• npm begin

• npm execute

• npm start

• npm launch