Babel course
Master Babel for transpiling modern JavaScript to run reliably across all browsers, including legacy ones. Gain skills in preset-env for smart targeting, efficient core-js polyfills to reduce bundle sizes, source maps for debugging, npm scripts for automation, and building production-ready front-end workflows that ensure compatibility and performance.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
This course teaches writing modern JavaScript compatible with older browsers using Babel. Learners 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 using core-js to shrink bundle sizes while supporting legacy browsers.
- Build complete Babel toolchain with npm scripts, CLI tools, and source maps for demos.
- Write modern ES6+ JavaScript safely transpiled for web compatibility.
- Debug transpilation issues, fix polyfill gaps, and document build setups effectively.
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 classes are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...

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

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

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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