| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <canvas id='output' width='100' height='100'></canvas> | |
| <script> | |
| var aCanvas = document.getElementById('output'); | |
| var ctx = aCanvas.getContext('2d'); | |
| ctx.strokeStyle = 'green'; | |
| ctx.strokeRect(25, 25, 50, 50); | |
| </script> | |
| </body> | |
| </html> |