Back to Daily Vibe CodeDay 13 of 30
Stopwatch
Beginner 25minTool
The Prompt
Build a stopwatch app. Features: large timer display showing minutes:seconds:milliseconds, start/stop button, lap button to record split times, reset button, scrollable list of recorded laps with lap number and time, highlight fastest and slowest laps. Add keyboard shortcuts: space for start/stop, L for lap.
What you'll learn
Prompt crafting
Turn a one-line idea into a clear build brief an AI can execute.
Rapid prototyping
Ship a working version in under an hour — speed over polish.
Core UI patterns
Practice the layouts and components every app relies on.
Shipping fast
Build the habit of finishing and sharing what you make.