Some method out there might use asynchronous AJAX requesting, e.g. - [htmlSource](https://github.com/quailjs/quail/blob/e7ecce533b7d93e1db7d545dc86939a1abb5c7ad/src/js/components/htmlSource.js#L10) - it's used in 3 assessments and the code might be easily transformed into async code - [components.video](https://github.com/quailjs/quail/blob/e7ecce533b7d93e1db7d545dc86939a1abb5c7ad/src/js/components/video.js)
Some method out there might use asynchronous AJAX requesting, e.g.