App Developer: Advanced Mobile Apps with JavaScript

Ages: 12-16

Difficulty: ★★★ (Intermediate–Advanced)

Languages: English, Romanian and Hybrid - Learn more

Price: RON 1,750

black blue and yellow textile
black blue and yellow textile

App Developer - Advanced Mobile Apps with JavaScript

This course teaches students how to build real mobile-style web apps using JavaScript, APIs, and interactive UI systems. Designed for pre-teens and teens who want to move beyond block coding, the course lays the groundwork for future careers in software engineering.

a man riding a skateboard down the side of a ramp
a man riding a skateboard down the side of a ramp

Benefits for Children:

  • Build real logic using JavaScript functions and APIs.

  • Learn UI/UX principles for mobile app design.

  • Gain confidence to continue coding independently.

Benefits for Parents:

  • Students learn real coding used by professional developers.

  • The course encourages long-term commitment and independence.

  • Children complete a fully functioning web app they can publish online.

Lesson Curriculum

Lesson 1 - Intro to JavaScript App Structure

Students learn the difference between websites and web apps, and explore HTML/CSS/JS integration.

Lesson 2 - JavaScript Functions & Events

Students build buttons and interactions through functions and event listeners.

Lesson 3 - Working with Data (Variables, Arrays, Objects)

Students handle dynamic data storage as used in real apps.

Lesson 4 - Fetching Data from APIs

Students create simple apps that pull live data-weather, jokes, images, quotes.

Lesson 5 - Building Multi-Screen Interfaces (SPA Logic)

Students learn the foundations of simple Single-Page Applications.

Lesson 6 - User Input & Validation

Students create login screens, quiz systems, or calculators.

Lesson 7 - App Build Session

Students develop their unique final project based on their chosen concept.

Lesson 8 - Launch & Demo Day

Students upload their app to a live server (Netlify/GitHub Pages) and present it.

Final Project:

“A Fully Functional JavaScript App”

Students build one of the following:

  • Weather dashboard

  • Quiz or flashcard app

  • Productivity tracker

  • Drawing or note-taking tool

  • Image-search app using a live API

The project showcases JavaScript functions, data handling, UI design, and API integration.
Parents can open the app in any browser or phone.

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App Developer: Advanced Mobile Apps with JavaScript