Handle returned by an animation factory (CSS or JS) that can be started or ended.
start() begins the animation and returns a runner. end() forces completion (may be synchronous depending on driver).
start()
end()
Whether this handle is expected to perform a real animation.
Force-finish the animation (may be sync).
Start the animation and return a runner you can control/cancel.
Handle returned by an animation factory (CSS or JS) that can be started or ended.
start()begins the animation and returns a runner.end()forces completion (may be synchronous depending on driver).