Need help? The fastest way to reach us is by email at mail@deepsoft.online — we read every message.
JavaScript in 5 Days is a structured beginner course that takes you from the basics to working with the browser. It contains 63 lessons across a simple 5-day plan, 82 runnable code examples, 63 practical tips, tappable keyword explanations, and full-course search. The app works fully offline and collects no personal data.
var, function, or for show an instant explanation of what they mean.Tap the theme button in the top-right of the home screen and choose System, Light, or Dark. “System” follows your device setting; Light and Dark override it. Your choice is remembered the next time you open the app.
Progress is stored only on your device. Mark a lesson complete from the lesson screen, or it is marked automatically when you tap “Next”. Nothing is uploaded anywhere.
Tap any highlighted keyword inside a code example to open a short, plain-English definition of what it means and how it is used — a quick way to learn the language as you read real code.
No. All lessons, examples, and keyword explanations are bundled with the app and work completely offline.
You can tap the check mark on any completed lesson to mark it as not done. To clear everything at once, reinstalling the app removes the locally stored progress.
Thank you — please email us the lesson title and what should change. Corrections are always welcome and help improve the course for everyone.