Day 08: Theme Toggle + Caching Data
Add a light/dark mode toggle and save the choice.
JavaScript focus
- toggling a class on body
- checking saved preference
- local storage
- updating accessible labels
Nice extras
- use system preference on first visit
- animated icon swap
- persist toggle button text
MDN prep
- localStorage
- matchMedia
- classList.toggle
- JSON.stringify
- JSON.parse
- JSON.stringify + JSON.parse not required unless storing more data