Babel course
Master Babel to deliver modern JavaScript across all browsers, including legacy ones. 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 issues quickly, and create production-ready front-end workflows that ensure reliable performance everywhere.

from 4 to 360h flexible workload
certificate valid 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 smooth workflow with npm scripts, source maps, and automated builds. Hands-on practice includes targeting browsers with @babel/preset-env, efficient use of core-js and 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 shrink bundle sizes while supporting older browsers fully.
- Build a 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 your setup clearly.
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, simple to use. The diversity of content and complementary videos really help with learning.

André FelipePrompt Engineering Student
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