Run done after el's CSS transition completes. Falls back to a timeout in case transitionend never fires, and runs synchronously when the user prefers reduced motion. Returns a disposer that cancels the pending callback.
done
el
transitionend
Run
doneafterel's CSS transition completes. Falls back to a timeout in casetransitionendnever fires, and runs synchronously when the user prefers reduced motion. Returns a disposer that cancels the pending callback.