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 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 that I don't need.

Mariana FerresPhotography Student
I like the content and the way of presentation and video transcription, 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 in learning.

André FelipePrompt Engineering Student
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