function isFullScreenSupported() {
  const body = document.body;
  return !!(
    body['webkitRequestFullscreen'] ||
    (body['msRequestFullscreen'] && document['msFullscreenEnabled']) ||
    (body.requestFullscreen && document.fullscreenEnabled)
  );
}
/**
 * @return {boolean} Fullscreen is supported by the current platform.
 */
@return {boolean} Fullscreen is supported by the current platform.
@return { boolean } Fullscreen is supported by the current platform .
function isFullScreenSupported() {
  const body = document.body;
  return !!(
    body['webkitRequestFullscreen'] ||
    (body['msRequestFullscreen'] && document['msFullscreenEnabled']) ||
    (body.requestFullscreen && document.fullscreenEnabled)
  );
}
function isFullScreenSupported ( ) { const body = document . body ; return ! ! ( body [ 'webkitRequestFullscreen' ] || ( body [ 'msRequestFullscreen' ] && document [ 'msFullscreenEnabled' ] ) || ( body . requestFullscreen && document . fullscreenEnabled ) ) ; }
@return {boolean} Fullscreen is supported by the current platform.
@return { boolean } Fullscreen is supported by the current platform .