Hands-on practice for this lecture. Work through the exercises and quizzes to reinforce what you've learned.
Exercise 1 of 1
See what DevTools would highlight — changing one setting re-renders all three panels.
ThemeSelector
renders: 1LanguageSelector
renders: 1NotificationToggle
Change theme. DevTools would highlight ALL three panels — ThemeSelector, LanguageSelector, and NotificationToggle all re-render because the whole settings object is replaced.