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Certified course · 35h

Modern JavaScript
from zero to pro.

Master the language of the web for good. ES6+, DOM manipulation, asynchronous code, consuming REST APIs. A deployable final project and a professional code review.

Level · Beginner to intermediateFormat · 5 days / 35h100% onlineAIF · France Travail
05d
Intensive days
35 hours
Pro
Certified
trainers
100%
Hands-on
+ real projects
— Programme

5 days, from the fundamentals to a real project

35h / Intensive
Day01

JavaScript fundamentals

Morning

Variables (var / let / const), types, scope, implicit coercion.

Afternoon

Conditions, loops, functions — arrow functions, callbacks.

Day02

Data structures & ES6+

Morning

Arrays (map, filter, reduce), objects, destructuring, spread operator.

Afternoon

ES modules, classes, first promises.

Day03

DOM & events

Morning

Selecting and manipulating the DOM, fine-grained event handling.

Afternoon

Forms, validation, mini-projects: to-do list, interactive slider.

Day04

Asynchronous code & REST APIs

Morning

Promises, async / await, error handling with try / catch.

Afternoon

Fetch API, consuming public APIs (JSONPlaceholder, GitHub API).

Day05

Final project + best practices

Morning

Complete guided project: weather app, dashboard or simple e-commerce.

Afternoon

Presentations, code review, ESLint, Git, certificate of completion.

— Next / 02

Ready to master modern JavaScript?