<canvas width="600" height="400"></canvas>
<script>
var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d");
pincel.fillStyle = "lightgrey";
pincel.fillRect(0, 0, 600, 400);
// cabeza
pincel.fillStyle = "green";
pincel.fillRect(125, 48, 350, 300);
// ojos
pincel.fillStyle = "black";
pincel.fillRect(175, 100, 90, 90);
pincel.fillStyle = "black";
pincel.fillRect(335, 100, 90, 90);
// nariz
pincel.fillStyle = "black";
pincel.fillRect(265, 190, 70, 100);
// boca
pincel.fillStyle = "black";
pincel.fillRect(225, 238, 40, 110);
pincel.fillStyle = "black";
pincel.fillRect(335, 238, 40, 110);
</script>
