This content originally appeared on 2ality – JavaScript and more and was authored by Dr. Axel Rauschmayer
In this chapter we develop a small web app in the same way that large professional web apps are developed:
- We use libraries that we install via npm.
- We write tests for some of the functionality.
- We combine all JavaScript code into a single file before we serve the web app. That is called bundling. (Why we do that it explained later.)
This content originally appeared on 2ality – JavaScript and more and was authored by Dr. Axel Rauschmayer

Dr. Axel Rauschmayer | Sciencx (2025-09-07T00:00:00+00:00) Learning web development: Installing npm packages and bundling. Retrieved from https://www.scien.cx/2025/09/07/learning-web-development-installing-npm-packages-and-bundling/
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