Loading button · Glass
An async action button that morphs from its label to a spinner while the promise runs, then to a success or error state, and announces each step.
Design · Glass4 / 20
Bright frosted pill with a light rim; result states become tinted glass with a ring spinner.
Motion
The label shrinks away into a lone spinner, which pops into a drawn check (or cross with a shake) when the promise settles.
Accent
An async action button that morphs from its label to a spinner while the promise runs, then to a success or error state, and announces each step.
buttonloadingspinnerasyncsubmitsuccesserrorform