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Async.requestAnimationFrame() method

Optimized requestAnimationFrame implementation with intelligent fallback handling.

Provides smooth animation frame scheduling with automatic cleanup and cross-browser compatibility. Falls back to setTimeout with 60fps timing when RAF is unavailable.

Signature:

requestAnimationFrame(callback: () => void, targetElement?: Element | null): number;

Parameters

Parameter	Type	Description
callback	() => void	Function to execute on the next animation frame
targetElement	Element | null	(Optional) Optional element to determine window context

Returns:

number

Animation frame ID for cancellation