Ad Timer System
Advertisements appear every 60 seconds in a sleek overlay, auto-hide with a countdown timer, and can be dismissed manually.
How It Works
The system cycles through a pool of advertisements every 60 seconds. Each ad displays for a configurable duration (default 10 seconds) with a visible countdown ring and progress bar. Ads slide in from the right with a smooth spring animation and auto-hide when the timer expires. Users can also dismiss ads early via the close button.
Configuration
Adjust the interval between ads and the display duration using the controls below. Changes take effect on the next ad cycle.
Developer Notes
Built with zero dependencies beyond Font Awesome for icons. The ad engine uses requestAnimationFrame for smooth timer updates and CSS transforms for GPU-accelerated animations. All state is managed in a lightweight controller object with no framework overhead.
Performance
Animations are GPU-composited via transform and opacity only. No layout thrashing. The ad overlay uses backdrop-filter for a native glass effect. Timers are cleaned up properly on dismiss to prevent memory leaks.
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