Video loops when played on a desktop. However, on a mobile it does not...
https://angelahunte.com/index.html
Misty
2121
<div id="bgndVideo" class="player" data-property="{videoURL:'G_4kuorkDyI',containment:'.player',autoPlay:true, mute:true, startAt:0, loop:true, opacity:1}">
</div>
There have been many changes, especially on Mobile devices, related to looping videos over the years.
Best to ensure looping works on your target Mobile device as expected, before trying your custom player using a data-property attribute.