Live Interactive Demo Model
Theme Switcher with React Context
A full theme controller demonstrating how React Context distributes theme tokens to deeply nested components.
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React 19 Practice Workbench
Acceptance Criteria
Creating typed Context providers with custom useTheme consumer hooks
Detecting system preference with window.matchMedia
Persisting theme choices across page reloads in localStorage
Target APIs & Concepts
createContextuseContextDocument Class Toggles
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