<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<body>
<canvas width="600" height="400"></canvas>
<script>
var pantalla = document.querySelector("canvas");
let pincel = pantalla.getContext("2d");
pincel.fillStyle = "darkgreen"; //Propiedad
pincel.fillRect(0, 0, 350, 300);//funcion
pincel.fillStyle = "black"
pincel.fillRect(41, 40, 90, 90);
pincel.fillRect(207, 40, 90, 90);
pincel.fillRect(135,130, 70, 100);
pincel.fillRect(100,190, 40, 110);
pincel.fillRect(200,190, 40, 110);
</script>
</body>
</html>
