INNER CODE UNIT · JavaScript

isFullscreen

landgreen/landgreen.github.io · bells/index.js:1654

function isFullscreen() {
  return Boolean(document.fullscreenElement || document.webkitFullscreenElement);
}

function updateFullscreenToggle() {
  const fullscreen = isFullscreen();
  const label = fullscreen ? "Exit fullscreen" : "Enter fullscreen";
  fullscreenToggle.setAttribute("aria-pressed", fullscreen);
  fullscreenToggle.setAttribute("aria-label", label);
  fullscreenToggle.title = label;
}

async function toggleFullscreen() {
  try {
    if (isFullscreen()) {
      if (document.exitFullscreen) {
        await document.exitFullscreen();
      } else if (document.webkitExitFullscreen) {

View source record →