| <!DOCTYPE html> | |
| <html> | |
| <head></head> | |
| <body> | |
| <canvas id="myCanvas" width="512" height="256"></canvas> | |
| </body> | |
| <script> | |
| var canvas = document.getElementById("myCanvas"); | |
| var ctx = canvas.getContext('2d'); | |
| ctx.fillStyle = "green"; | |
| ctx.fillRect(canvas.width/2, 0, canvas.width/2, canvas.height); | |
| </script> | |
| </html> |