StealThis .dev

Theme Toggle

Theme preference pattern for light, dark, and system mode with persistence and no-flash boot logic.

Labで開く
vanilla-js css
ターゲット: JS HTML

コード

Theme Toggle

A robust theme integration pattern that handles user preference and system fallback safely.

Features

  • Light, dark, and system options
  • Preference persistence in localStorage
  • No-flash startup theme application
  • Accessible toggle controls