| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <canvas id ="canvas" width="500" height="500"></canvas> | |
| <script> | |
| var canvas = document.getElementById('canvas'); | |
| var context = canvas.getContext("2d"); | |
| context.fillStyle = 'rgba(75, 125, 0, 0.8)'; | |
| context.fillRect(0, 0, 500, 500); | |
| </script> | |
| </body> | |
| </html> |