|  | <!DOCTYPE html> | 
|  | <html> | 
|  | <base ref="/gen/third_party/dawn/webgpu-cts/src/webgpu" /> | 
|  | <title>WebGPU canvas_clear (ref)</title> | 
|  | <meta charset="utf-8" /> | 
|  | <link rel="help" href="https://gpuweb.github.io/gpuweb/" /> | 
|  | <canvas id="cvs0" width="20" height="20" style="width: 20px; height: 20px;"></canvas> | 
|  | <canvas id="cvs1" width="20" height="20" style="width: 20px; height: 20px;"></canvas> | 
|  | <canvas id="cvs2" width="20" height="20" style="width: 20px; height: 20px;"></canvas> | 
|  | <script> | 
|  | function draw(canvas) { | 
|  | var c = document.getElementById(canvas); | 
|  | var ctx = c.getContext('2d'); | 
|  | ctx.fillStyle = '#66FF00'; | 
|  | ctx.fillRect(0, 0, c.width, c.height); | 
|  | } | 
|  |  | 
|  | draw('cvs0'); | 
|  | draw('cvs1'); | 
|  | draw('cvs2'); | 
|  |  | 
|  | </script> | 
|  | </html> |