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 is the default port for the webpack dev server, and how can it be changed?

Explain the role of Babel in the context of modern JavaScript development.