Example showing how to disable <model-viewer> Quick Look integration in iOS Chrome

disable-quick-look-ios-chrome.html

<model-viewer src="something.glb" ios-src="something.usdz" ar>
</model-viewer>

<!-- ... somewhere after the <model-viewer> tag ... -->
<script>
function disableQuickLookForIosChrome() {
  var modelViewer = document.querySelector('model-viewer');
  var isIosChrome = /CriOS/.test(navigator.userAgent);

  if (isIosChrome) {
    modelViewer.removeAttribute('ios-src');
  }
}

window.addEventListener('DOMContentLoaded', function() {
  disableQuickLookForIosChrome();
}, { once: true });
</script>