| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <canvas id ="output" width="100" height="100"></canvas> | |
| <script> | |
| var canvas = document.getElementById('output'); | |
| var ctx = canvas.getContext('2d'); | |
| var colors = ['red', 'green', 'blue']; | |
| for (var i = 2; i >= 0; i--) { | |
| ctx.fillStyle = colors[i]; | |
| ctx.fillRect(i * 20, i * 20, 40, 40); | |
| } | |
| </script> | |
| </body> | |
| </html> |