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Format multi-line text for ES5
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>Multiline Text Formatter for ES5</title> | |
| <style> | |
| body { | |
| margin: 24px; | |
| font-family: sans-serif; | |
| background: #fff; | |
| } | |
| main { | |
| display: block; | |
| max-width: 800px; | |
| margin: auto; | |
| } | |
| textarea { | |
| display: block; | |
| width: calc(100% - 8px * 2); | |
| height: 160px; | |
| margin: 24px 0; | |
| padding: 8px; | |
| font-family: monospace; | |
| font-size: 1.1rem; | |
| border: 1px solid #ccc; | |
| border-radius: 4px; | |
| } | |
| #output { | |
| display: none; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <main> | |
| <h1>Multiline Text Formatter for ES5</h1> | |
| <textarea id="input" placeholder="Paste multiline text here"></textarea> | |
| <textarea id="output"></textarea> | |
| <p>In ES6, you can use <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals">template literals</a> for multiline text.</p> | |
| </main> | |
| <script> | |
| var input = document.getElementById('input') | |
| var output = document.getElementById('output') | |
| function convert (text) { | |
| return 'var string = [\n' + text.split('\n').map(function (line) { | |
| return ' \'' + line + '\',' | |
| }).join('\n').slice(0, -1) + '\n].join(\'\\n\')' | |
| } | |
| input.addEventListener('input', function (e) { | |
| var text = input.value | |
| if (text) { | |
| output.value = convert(text) | |
| output.style.display = 'block' | |
| } | |
| else { | |
| output.value = '' | |
| output.style.display = 'none' | |
| } | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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