Modern JavaScript from the Beginning - Second Edition - Webpack DevServer Plugin

The video tutorial covers setting up and configuring the webpack dev server to streamline the development process by avoiding the need to run 'NPM run build' after every change. It explains how to install the dev server, configure it in the webpack config file, and set up a development environment with hot reloading. The tutorial also discusses the structure of single-page applications and the optional use of Babel for transpiling modern JavaScript to ensure compatibility with older browsers.

What command is used to install the webpack dev server as a development dependency?

• npm install webpack-dev-server

• npm install -D webpack-dev-server

• npm install webpack

• npm install -g webpack-dev-server

Where should the 'devServer' configuration be added in the webpack config file?

• Above the module and below the output

• Below the module rules

• Above the entry point

• At the end of the file

Which port is commonly used for front-end development servers as per the tutorial?

• 5500

• 3000

• 8080

• 4000

What feature allows the webpack dev server to automatically reload the page when JavaScript files are changed?

• Compression

• Hot reloading

• History API fallback

• Static directory setup

What is the primary purpose of using Babel in a project?

• To bundle JavaScript modules

• To transpile modern JavaScript to older versions

• To optimize images

• To minify JavaScript files