Notiflix is a pure JavaScript library for client-side non-blocking notifications, popup boxes, loading indicators, and more that makes your web projects much better.

Block UI Loader/Spinner for Angular

React loaing component.

Screen overlay to block UI with a spinner.

Notiflix Documentation. Notiflix is a pure JavaScript library for client-side non-blocking notifications, popup boxes, loading indicators, and more that makes your web projects much better.