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<!DOCTYPE html>
<html>
<head>
<title></title>
<style>
body{
width:100%;
height:100%;
}
#divmonsite{
width:100vw;
height:100vh;
position: absolute;
left: 0;
top: 0;
background-color: gray;
z-index: 0;
}
#but{
width: 100px;
height: 50px;
position: absolute;
top: 10px;
left: 10px;
z-index: 1;
}
</style>
</head>
<body>
<div id="divmonsite"></div>
<input type="button" id="but" value="Fullscreen">
<script>
var elem = document.getElementById("divmonsite");
function openFullscreen() {
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.mozRequestFullScreen) { /* Firefox */
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) { /* Chrome, Safari and Opera */
elem.webkitRequestFullscreen();
} else if (elem.msRequestFullscreen) { /* IE/Edge */
elem.msRequestFullscreen();
}
}
var but=document.getElementById("but");
but.addEventListener('click',openFullscreen);
</script>
</body>
</html> |
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