Babel course
Master Babel for transpiling modern JavaScript to run reliably across all browsers, including legacy ones. Learn to use preset-env for smart targeting, optimise polyfills with core-js to reduce bundle sizes, integrate source maps and npm tooling for efficient debugging, and establish production-ready front-end workflows that balance cutting-edge features with broad compatibility.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course teaches writing modern JavaScript compatible with older browsers using Babel. You'll master core concepts, presets, plugins, config files, npm scripts, source maps, automated builds, @babel/preset-env, core-js, polyfills, debugging, and complete demo projects.
Elevify advantages
Develop skills
- Configure Babel preset-env to target browsers quickly with minimal effort.
- Optimise polyfills to shrink bundle sizes while supporting legacy browsers.
- Build complete Babel toolchain using npm scripts, CLI, and source maps.
- Write modern ES6+ JavaScript safely transpiled for web deployment.
- Debug transpiled builds, resolve polyfill issues, and document workflows.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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