Babel course
Master Babel to deliver modern JavaScript across all browsers. Gain expertise in preset-env, core-js, polyfills, source maps, and npm tools to support legacy browsers, reduce bundle sizes, accelerate debugging, and create robust production front-end workflows.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course teaches you to write modern JavaScript compatible with older browsers using Babel. You will master core concepts, presets, plugins, and configuration files, establish an efficient workflow with npm scripts, source maps, and automated builds, target browsers via @babel/preset-env, optimise core-js and polyfills, debug problems, and complete a documented demo project.
Elevify advantages
Develop skills
- Configure Babel preset-env to target browsers swiftly with minimal effort.
- Optimise polyfills to reduce bundle size whilst ensuring legacy browser compatibility.
- Assemble a Babel toolchain using npm scripts, CLI, and source maps for polished demos.
- Author modern JavaScript with ES6+ features, classes, and modules safely transpiled.
- Debug builds by tracing errors, resolving polyfill gaps, and documenting configurations.
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 chance to follow several topics I'm interested in without having to switch platforms... thank you for everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons get 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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