I want to open the page in full screen without the user clicking a button. I have tried lots of ways, but it still is not working. Can anyone help me to solve this?
<html>
<head>
<script>
document.querySelector("#page").requestFullscreen();
</script>
</head>
<body onload="test()" id="page">
<input type="submit" id="click" value="click" onclick="openFullscreen()">
<button onclick="openFullscreen()" id="click"> Full screen</button>
<script>
var elem = document.documentElement;
function openFullscreen() {
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.mozRequestFullScreen) { /* Firefox */
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) { /* Chrome, Safari & Opera */
elem.webkitRequestFullscreen();
} else if (elem.msRequestFullscreen) { /* IE/Edge */
elem.msRequestFullscreen();
}
}
openFullscreen();
document.getElementById("click").click();
window.onload = function() {
document.getElementById("click").click();
}
</script>
</body>
</html>