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

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 will master core concepts like presets, plugins, and config files, set up efficient workflows with npm scripts, source maps, and automated builds, target browsers using @babel/preset-env, manage core-js and polyfills, debug problems, and complete a full demo project.
Elevify advantages
Develop skills
- Configure Babel preset-env to target specific browsers quickly with simple setup.
- Optimize polyfills to shrink bundle sizes while supporting older browsers fully.
- Build complete Babel toolchain using npm scripts, CLI tools, and source maps for demos.
- Write modern JavaScript with ES6+ features, classes, and modules safely transpiled.
- Debug Babel builds by tracing errors, fixing polyfill gaps, and documenting processes.
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 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 extra videos really help with learning.

Giulio CarloPrompt Engineering Student
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