| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script> | |
| function start() { | |
| var canvas = document.getElementById("cnv"); | |
| var ctx = canvas.getContext("2d"); | |
| ctx.fillStyle = "#ff0000"; | |
| ctx.fillRect(0, 0, canvas.width, canvas.height); | |
| } | |
| </script> | |
| </head> | |
| <body onload="start()"> | |
| <div id="box" style="position: absolute; width: 300px; height: 200px; border-radius: 40px; overflow: hidden;"> | |
| <canvas id="cnv" width="400px" height="400px"></canvas> | |
| </div> | |
| </body> | |
| </html> | |