Babel course
Master Babel to deliver modern JavaScript across all browsers, including legacy ones. Learn to configure preset-env for precise browser targeting, optimise polyfills with core-js to reduce bundle sizes, integrate source maps and npm scripts for efficient builds, debug transpilation issues quickly, and create production-ready front-end workflows that are reliable and performant.

from 4 to 360h 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, config files, npm scripts, source maps, automated builds, @babel/preset-env, core-js polyfills, debugging, and building a complete demo project.
Elevify advantages
Develop skills
- Configure Babel preset-env to target specific browsers quickly with minimal effort.
- Optimise polyfills using core-js to shrink bundle sizes while supporting older browsers.
- Build complete Babel toolchain with npm scripts, CLI tools, and source maps for demos.
- Write modern ES6+ JavaScript safely transpiled for wide web compatibility.
- Debug Babel builds by tracing errors, fixing polyfill gaps, and documenting setups.
Suggested summary
Before starting, you can change the chapters and 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 purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you 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, simple to use. The diversity of content and complementary videos help a lot with learning.

André FelipePrompt Engineering Student
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