Mastering MEAN Web Development Expert Full Stack JavaScript (Video 3)

This video tutorial introduces Webpack, a powerful tool for bundling JavaScript files, and explains its configuration and usage. It covers the basics of setting up a Webpack config file, generating production files, and using the Webpack Dev Server for efficient development. The tutorial highlights the benefits of using Webpack, such as code organization, ES6 to ES5 conversion, and hot module replacement for faster development. By the end, viewers will understand how to configure and run Webpack to streamline their front-end development process.

What is the primary function of Webpack?

• To manage database connections

• To convert HTML to JavaScript

• To bundle multiple source files into one optimized file

• To serve as a web server

Which option in the Webpack configuration file specifies where the bundling process should start?

• entry

• devtool

• output

• resolve

What is the purpose of the 'devtool' option in Webpack?

• To generate source maps for debugging

• To define the entry point

• To specify the output directory

• To exclude node modules

What is the role of loaders in Webpack?

• To optimize images

• To serve files to the browser

• To manage database connections

• To transform code during the bundling process

How does Webpack find the Babel loader?

• By checking the global environment variables

• By looking in the system PATH

• By querying an online repository

• By searching the node_modules folder

What command is used to start the Webpack Dev Server?

• node server.js

• webpack-dev-server

• webpack serve

• npm start

What advantage does the Webpack Dev Server offer during development?

• It reduces server load

• It optimizes images

• It automatically refreshes the browser on code changes

• It compiles TypeScript to JavaScript