Scenarios

• Search box: debounce + timeout + retry for stable UX
• Countdown: nextAt + server time calibration + TTL storage
• Share links: merge UTM params, same‑origin guard, clipboard copy
• Theming: generate color scales and readable text via contrast
• I18n: locale info, timezone, UTC offset, public IP

Reference Chinese pages for detailed code:

• Vue: /scenarios/vue
• React: /scenarios/react