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UI · Frontend challenge · Frontend UI
Stopwatch
Difficulty
medium
Time
~25m
Format
Single
Grading
Human review
#ui#react#frontend#state#timers
Mission file // read carefullymedium
Build a Stopwatch.
Requirements
- Start, Stop, and Reset controls.
- Display elapsed time as
mm:ss.cs(centiseconds), updating while running. - Reset returns to zero and stops.
Build with
ReactLive preview as you type
Human review
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