<canvas width="600" height="400"></canvas>
<script>
var tela = document.querySelector('canvas');
var pincel = tela.getContext('2d');
pincel.fillStyle = 'lightgrey';
pincel.fillRect(0,0,600,400);
//cabeça
pincel.fillStyle = 'darkgreen';
pincel.fillRect(125,50,350,300);
//olhos
pincel.fillStyle = 'black';
pincel.fillRect(175,100,90,90);
pincel.fillRect(335,100,90,90);
//nariz
pincel.fillRect(265,190,70,100);
//boca ou barba
pincel.fillRect(225,240,40,110);
pincel.fillRect(335,240,40,110);
</script>
