| <!DOCTYPE html> | |
| <html> | |
| <style> | |
| html, body { margin: 0; padding: 0; } | |
| </style> | |
| <body> | |
| <div> | |
| <canvas id="output" width="200" height="200"></canvas> | |
| </div> | |
| <script> | |
| var canvas = document.getElementById('output'); | |
| var ctx = canvas.getContext('2d'); | |
| ctx.fillStyle = 'green'; | |
| ctx.fillRect(0, 0, 200, 200); | |
| </script> | |
| </body> | |
| </html> |