<!DOCTYPE html>
<canvas width="600" height="400"
</canvas>
<script>
var pantalla = document.querySelector("canvas");
var pincel = pantalla.getContext("2d");
//cabeza
pincel.fillStyle = "darkgreen";
pincel.fillRect(0,0,350,300);
//ojos
pincel.fillStyle = "black";
pincel.fillRect(40,50,90,90);
pincel.fillStyle = "black";
pincel.fillRect(200,50,90,90);
//nariz
pincel.fillStyle = "black";
pincel.fillRect(130,140,70,100);
//boca
pincel.fillStyle = "black";
pincel.fillRect(130,140,70,100);
pincel.fillStyle = "black";
pincel.fillRect(90,165,40,100);
pincel.fillStyle = "black";
pincel.fillRect(200,165,40,100);
</script>
</html>
