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Vanilla JavaScript Pocket Guides

Everything you need to master JavaScript.

Short, focused video courses and ebooks made for beginners. Learn the ins-and-outs of a topic in about an hour.

🔥 Hot Off the Press! Dig into new guides on service workers, token-based authentication, or serverless. You can also level-up with the new expert bundle.

Used by developers at companies like...


  • The Complete Set. Every pocket guide in the collection, including any new ones that come out in the future.
  • The Beginner’s Bundle. Kick-start your journey to vanilla JS with these essential pocket guides.
  • The Advanced Bundle. Take your vanilla JavaScript skills to the next level with these pocket guides on advanced topics.
  • The Expert Bundle. Learn how to build fast, interactive sites and apps with these pocket guides on expert topics.

Individual Guides

  1. DOM Manipulation. Learn how to get DOM elements, manipulate them, and listen for events in the browser.
  2. Strings & Numbers. Transform and edit strings and numbers for use in modern websites and web apps.
  3. Arrays & Objects. Dive into the many modern methods for editing and transforming arrays and objects.
  4. Variables, Functions, and Scope. What are arrow functions? What’s function hoisting? What’s the difference between var, let, and const, and when should you use each?
  5. DOM Injection and Traversal. Learn how to set and get HTML, add and remove elements, climb up and down the DOM tree, and more.
  6. Browser Storage. Store data in localStorage and sessionStorage, get and set cookies, and create a local database with indexedDB.
  7. APIs & Asynchronous JS. Learn how to work with APIs and asynchronous JavaScript.
  8. Writing Libraries. Learn how to write flexible, modular, scalable libraries that grow with you and your users.
  9. ES Modules. Learn how to structure projects, import and export modular JavaScript files, and bundle your code for production.
  10. Service Workers. Learn how to build more resilient web experiences that load faster and even work offline.
  11. State-Based UI. Learn how to build interactive websites and web apps with state-based UI and data reactivity.
  12. Serverless. Create your own APIs, microservices, and client-side web apps with serverless functions.
  13. Token-Based Authentication. Learn how to register, login, and manage user sessions with token-based authentication.
I thank you from the bottom of my heart. If it had not been for you, I would not be able to learn JavaScript.- Patricia Parker
Loved your book, it's become a daily reference for me. Fantastic stuff!- Chris Baughman

Go from beginner to JavaScript expert

  • Learn modern best practices and code patterns.
  • Spend less time Googling and more time working on cool stuff.
  • Get the skills and confidence to really understand JavaScript.
  • Follow a learning path or jump around based on your needs.
  • Work on real projects and build your portfolio.

Your 100% Money-Back Guarantee 💰

Don’t put off learning vanilla JavaScript! If you’re not 100% satisfied with the pocket guides, let me know and I’ll give you a full refund.

About the Instructor

Chris Ferdinandi

Hi, I'm Chris Ferdinandi. I believe there’s a simpler, more resilient way to make things for the web.

I’ve taught developers at organizations like Chobani and the Boston Globe, and my JavaScript plugins have been used by organizations like Apple and Harvard Business School. My developer tips newsletter is read by over 12,500 developers each weekday.

I want to help you master vanilla JavaScript, without all of the painful false starts and roadblocks I encountered when I was learning.

Not ready yet? Get daily developer tips.

I send out a short email each weekday with code snippets, tools, techniques, and interesting stuff from around the web. Join 12,500+ daily subscribers.

If you have any questions about anything, feel free to send me an email at