জাভাস্ক্রিপ্ট fullscreenElement

<!DOCTYPE html>
<html>
<body>

<button onclick="execute()">click to view result</button>

<p id="result">ফুলস্কীন</p>

<script>
function execute() {
  document.documentElement.requestFullscreen();
  document.addEventListener("fullscreenchange", () => {}, { once: true });
}
</script>

</body>
</html>