<canvas width="600" height="400"></canvas>
<script>
var tela = document.querySelector('canvas');
var pincel = tela.getContext('2d');
pincel.fillStyle = 'white';
pincel.fillRect(0, 0, 600, 400);
pincel.fillStyle = 'darkgreen';
pincel.fillRect(150, 0, 350,300);
pincel.fillStyle = 'black';
//olhos
pincel.fillRect(200, 50, 90 ,90);
pincel.fillRect(360, 50, 90 ,90);
//nariz
pincel.fillRect(290, 140, 70 ,100);
//boca
pincel.fillRect(360, 190, 40,110);
pincel.fillRect(250, 190, 40 ,110);
</script>
