JS button animation for ajax the WordPress style

Question

I'm creating a backend ajax functionality form, and I'd like it to stay within the WordPress style.

There is a small spinning circle animation that appears on certain forms, like when you try to search for a plugin in the repo in the

How can I recreate that spinning animation?

Answer 1

Thanks for Paj J pointing the way. Just do this:

<div class = "spinner is-active"></div>