Babel course
Master Babel to deliver modern JavaScript across all browsers. Dive into preset-env for smart targeting, core-js for polyfills, source maps for debugging, and npm tools for efficient builds. Reduce bundle sizes, fix legacy issues quickly, and create production-ready front-end pipelines that ensure reliable performance everywhere.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course teaches you to use Babel for writing modern JavaScript that works reliably in older browsers. You'll master core concepts, presets, plugins, and config files, then build a streamlined workflow with npm scripts, source maps, and automated builds. Hands-on practice includes targeting browsers with @babel/preset-env, efficient core-js polyfills, debugging, and completing a demo project.
Elevify advantages
Develop skills
- Configure Babel preset-env to target browsers quickly with minimal effort.
- Optimise polyfills to reduce bundle size while supporting legacy browsers.
- Build complete Babel toolchain using npm scripts, CLI, and source maps.
- Write modern ES6+ JavaScript safely transpiled for web compatibility.
- Debug transpiled builds, resolve polyfill gaps, 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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