• 1000 *
индекс. php
<form method="POST" >
<div class="left">
<h1>Sign up</h1>
<h2>Fullscreen with JavaScript</h2>
<input type="submit" name="submit" value="Sign me up" />
</div>
</form>
<?php
if(isset($_POST['submit'])){ ?>
<script type="text/javascript">
var elem = document.documentElement;
elem.webkitRequestFullscreen();
</script>
<?php } ?>