Sometimes when the user clicks a button we have to do something that might take a little while, perhaps sending an AJAX request and then waiting for a response. Wouldn't it be nice if we could let the user know that something is happening rather than leaving them wondering?
The Ladda button is a UI design concept that combines a typical button with a loading and/or progress indicator.
These buttons are available for Bootstrap 3 and jQuery via:
and an AngularJS directive is available from: