This sample demonstrates the default functionalities of a progress button. Clicking that button will display a spinner and a progress indicator.
The progress button visualizes the progression of an operation to indicates the user that a process is happening in the background. The progress can be shown with graphics accompanied by a textual representation. In this sample, the progress button contains the content, spinner, progress indicator, and a list of related features that can be achieved using content, cssClass, and enableProgress property. More information about progress button can be found in this documentation section.