HTML audio loop attribute

There were some audio streams specifically made for the official app, which were just loopable content. Exploring the possibility of using just a link to the loopable file instead of an icecast stream, the way to implement a looping audio seems to be in code - javascript or html - like the html example below,

https://www.w3schools.com/tags/att_audio_loop.asp

In the app, similar code can be executed based on which Java widget they have used.