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| <html> | |
| <head> | |
| <title>Data URI Editor with LocalStorage</title> | |
| <style> | |
| @media (prefers-color-scheme: dark) { | |
| body, input, textarea { | |
| background: #333; | |
| color: white; | |
| } | |
| ::placeholder { | |
| color: #ccc; | |
| } | |
| } | |
| textarea { | |
| width: 100%; | |
| height: 10em; | |
| } | |
| iframe { | |
| width: 100%; | |
| height: 100%; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <textarea id='editor' placeholder="Input HTML"></textarea> | |
| <button id="clear_storage">clear storage</button> | |
| <textarea id='data_uri'></textarea> | |
| <iframe id="preview"></iframe> | |
| <script> | |
| var storageKey = "html"; | |
| if (localStorage.getItem(storageKey) !== null) { | |
| editor.value = localStorage.getItem(storageKey); | |
| } | |
| function update(){ | |
| preview.src = data_uri.value = "data:text/html," + encodeURIComponent(editor.value).replace(/'/g, '%27'); | |
| localStorage.setItem(storageKey, editor.value); | |
| } | |
| editor.oninput = update; | |
| update(); | |
| clear_storage.onclick = function () { | |
| localStorage.removeItem(storageKey); | |
| }; | |
| </script> | |
| </body> | |
| </html> |
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