| <script> | |
| function start() { | |
| document.execCommand('selectAll', false) | |
| document.documentElement.appendChild(document.getElementById('input')) | |
| } | |
| </script> | |
| <body onload="start()"> | |
| <input id="input" autofocus> | |
| <canvas contenteditable="true" hidden></canvas> | |
| </body> |