CodeLevels
Projects
All projects
Becoming a web developer!
Building mini-apps
Full-Stack DIY services
Web Security
Desktop apps
Growing into AI apps
ML and data science
Production-grade apps
Developer Tools
Dive Deeper into JavaScript
Mobile apps
Desktop App
Account
Arrays and objects - and why Bart Simpson write those sentences on the chalkboard
Topic # 1 of 17 in "Building mini-apps" progression
JavaScript
Updated: Feb 13, 2026
No lessons here, but we'll launch them soon.
