| <!DOCTYPE html> |
| <html> |
| <style> |
| #myCanvas { |
| width: 100%; |
| height: 100%; |
| background-color: rgb(241, 241, 241); |
| } |
| </style> |
| <head> |
| <link rel="stylesheet" type="text/css" href="canvas.css"> |
| </head> |
| <body onload="load()"> |
| <canvas id="myCanvas"></canvas> |
| <script> |
| function load() { |
| var myCanvas = document.getElementById("myCanvas"); |
| myCanvas.setAttribute("width", 400); |
| myCanvas.setAttribute("height", 400); |
| var ctx = myCanvas.getContext("2d"); |
| offscreen2d.clearRect(0, 0, 400, 400); |
| offscreen2d.fillStyle = "green"; |
| offscreen2d.fillRect(0, 0, 200, 200); |
| offscreen2d.commit(); |
| } |
| </script> |
| </body> |
| </html> |
