fhtino/wakelocktests.html

## wakelocktests.html
<html>
<body>
    <div id="infoDiv">...<br /></div>
    <script type="text/javascript">

        async function DoTest() {
            var infoDiv = document.getElementById("infoDiv");

            let wakeLock = null;

            if ('wakeLock' in navigator) {
                infoDiv.innerHTML += "wakeLock supported<br/>";
                wakeLock = await navigator.wakeLock.request('screen');
                infoDiv.innerHTML += "Active!<br/>";

                wakeLock.addEventListener('release', () => {
                    // the wake lock has been released
                    infoDiv.innerHTML += 'Wake Lock has been released<br/>';
                });

            } else {
                alert("NOT supported");
            }
        }

        DoTest();

    </script>
</body>
</html>
	<html>
	<body>
	<div id="infoDiv">...<br /></div>
	<script type="text/javascript">

	async function DoTest() {
	var infoDiv = document.getElementById("infoDiv");

	let wakeLock = null;

	if ('wakeLock' in navigator) {
	infoDiv.innerHTML += "wakeLock supported<br/>";
	wakeLock = await navigator.wakeLock.request('screen');
	infoDiv.innerHTML += "Active!<br/>";

	wakeLock.addEventListener('release', () => {
	// the wake lock has been released
	infoDiv.innerHTML += 'Wake Lock has been released<br/>';
	});

	} else {
	alert("NOT supported");
	}
	}

	DoTest();

	</script>
	</body>
	</html>