<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<canvas id="my_canvas"></canvas>
</body>
<script>
var canvas = null;
var context = null;
setup = function(){
canvas = document.getElementById("my_canvas");
context = canvas.getContext('2d');
canvas.width = 1200;
canvas.height = 720;
};
</script>
</html>
