Created
January 23, 2015 07:34
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Very simple latex sketchpad
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Mathology</title> | |
| <style> | |
| body { | |
| font-family: Arial, Helvetica, sans-serif; | |
| } | |
| #content { | |
| width: 99%; | |
| margin: 0 auto; | |
| } | |
| #editor { | |
| float: left; | |
| width: 49%; | |
| } | |
| #preview { | |
| float: left; | |
| width: 49%; | |
| } | |
| #logo { | |
| font-family: "Times New Roman", Times, serif; | |
| font-size: 1.8em; | |
| margin: 8px; | |
| } | |
| .text { | |
| font-family:"freight-text-pro",Georgia,Cambria,"Times New Roman",Times,serif; | |
| font-size: 1.1em; | |
| } | |
| </style> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.11.0/codemirror.min.css"> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.11.0/codemirror.min.js"></script> | |
| <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/4.11.0/mode/stex/stex.js"></script> | |
| <script type="text/x-mathjax-config"> | |
| MathJax.Hub.Config({ | |
| tex2jax: { | |
| inlineMath: [['$','$']], | |
| processClass: 'mathjax', | |
| ignoreClass: 'no-mathjax' | |
| } | |
| }); | |
| </script> | |
| <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script> | |
| <script type="text/javascript"> | |
| var math = ''; | |
| function processBlock(text) { | |
| var large = false; | |
| var block = false; | |
| var processed = '<span class="text">'; | |
| var changed = false; | |
| for (var i = 0; i < text.length; i++) { | |
| if (text.charAt(i) == '$') { | |
| if (text.charAt(i + 1) == '$') { | |
| if (large) { | |
| large = false; | |
| processed += '$$<span class="text">'; | |
| } else { | |
| large = true; | |
| processed += '</span>$$'; | |
| } | |
| i++; | |
| continue; | |
| } else { | |
| if (block) { | |
| block = false; | |
| processed += '$<span class="text">'; | |
| } else { | |
| block = true; | |
| processed += '</span>$'; | |
| } | |
| continue; | |
| } | |
| } | |
| if (!large && !block && text.charAt(i) == '\\') { | |
| if (text.charAt(i + 1) == '\\') { | |
| processed += '<br />'; | |
| } | |
| } else { | |
| processed += text.charAt(i); | |
| } | |
| } | |
| return processed + '</span>'; | |
| } | |
| document.addEventListener('DOMContentLoaded', function () { | |
| var preview = document.getElementById('preview'); | |
| var markdown = document.getElementById('markdown'); | |
| preview.innerHTML = processBlock(markdown.value); | |
| var editor = CodeMirror.fromTextArea(markdown, { | |
| lineNumbers: true, | |
| mode: 'stex' | |
| }); | |
| editor.on('change', function (cm) { | |
| var text = processBlock(cm.getValue()); | |
| preview.innerHTML = text; | |
| MathJax.Hub.Queue(['Typeset', MathJax.Hub, preview]); | |
| }); | |
| }); | |
| </script> | |
| </head> | |
| <body class="no-mathjax"> | |
| <h1 id="logo">Mathology</h1> | |
| <div id="content"> | |
| <div id="editor"> | |
| <textarea id="markdown"> | |
| $ | |
| \def\diff{\mathrm{d}} | |
| $ | |
| <h3>Monotone Convergence Theorem</h3> | |
| If $\{f_n\}$ is a sequence of non-negative measurable functions, | |
| and $\{f_n(x):n\geq1\}$ \\ | |
| increases monotonically to $f(x)$ for each $x$, i.e. $f_n \to f$ pointwise, then | |
| $$ | |
| \lim_{n \to \infty} \int f_n\diff\mu = \int f \diff\mu | |
| $$</textarea> | |
| </div> | |
| <div id="preview" class="mathjax"> | |
| </div> | |
| </div> | |
| </body> | |
| </html> |
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