| <head> |
| <meta name="viewport" content="width=device-width"> |
| <style> |
| body { |
| width: 100%; |
| height: 100%; |
| margin: 0; |
| } |
| |
| div, textarea { |
| width: 100%; |
| height: 200px; |
| font-size: 100px; |
| white-space: nowrap; |
| } |
| </style> |
| </head> |
| |
| <body> |
| <div id="rich" contenteditable>Hello world</div> |
| <textarea id="plain"></textarea> |
| <script> |
| plain.value="Hello world" |
| |
| function deselectText() |
| { |
| blur(); |
| getSelection().removeAllRanges(); |
| } |
| |
| function selectRichText() |
| { |
| deselectText(); |
| let text = rich.childNodes[0]; |
| getSelection().setBaseAndExtent(text, 0, text, text.data.length); |
| } |
| |
| function selectPlainText() |
| { |
| deselectText(); |
| plain.focus(); |
| plain.selectionStart = 0; |
| plain.selectionEnd = plain.value.length; |
| } |
| </script> |
| </body> |
