https://jumoh.com/games/just-hit-the-button/

1<!DOCTYPE html>
2<html lang="en">
3    <head>
4        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
5        <meta name="apple-mobile-web-app-capable" content="yes" />
6        <meta name ="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
7        <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
8        <meta charset="utf-8"/>
9        <meta http-equiv="pragma" content="no-cache"/>
10        <title>Just Hit The Button by Jumoh</title>
11        <style>
12            body {
13                background: #000000;
14                color: #cccccc;
15                margin: 0px;
16                padding: 0px;
17                border: 0px;
18				overflow: hidden;
19            }
20            canvas {
21                image-rendering: optimizeSpeed;
22                -webkit-interpolation-mode: nearest-neighbor;
23                -ms-touch-action: none;
24                touch-action: none;
25                margin: 0px;
26                padding: 0px;
27                border: 0px;
28            }
29			#canvas {
30				display: block;
31				margin: 0 auto;
32			}
33			#loading_screen {
34				left: 0px !important;
35				width: 100%;
36				height: 100%;
37				object-fit: contain;
38			}
39            :-webkit-full-screen #canvas {
40                width: 100%;
41                height: 100%;
42            }
43            :-webkit-full-screen {
44                width: 100%;
45                height: 100%;
46            } 
47        </style>		
48    </head>
49    <body onload="startResizing();">
50		<canvas id="canvas" width="1920" height="1080" >
51			<p>Your browser doesn't support HTML5 canvas.</p>
52		</canvas>
53        

53<script type="text/javascript" src="html5game/Just Hit The Button.js?cachebust=325364639"></script>

53
54        

54<script>window.onload = GameMaker_Init;</script>

54
55		

55<script>
56			startResizing();
57			function startResizing(){
58				resizing();
59				setInterval(resizing, 1000)
60			}
61			function resizing(){
62				var 
63				browserWidth 	= window.innerWidth,
64				browserHeight	= window.innerHeight,
65				gameWidth		= 1920,
66				gameHeight		= 1080,
67				scale			= Math.min(browserWidth / gameWidth, browserHeight / gameHeight);
68				document.getElementById('canvas').setAttribute("style", "width:" + (gameWidth * scale) + "px");
69				document.getElementById('canvas').setAttribute("style", "height:" + (gameHeight * scale) + "px");
70				document.getElementById('canvas').style.cursor = 'none';
71			}
72		</script>

72
73    </body>
74</html>