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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Convert between LaTeX, MathML, OMML, eqn, and typst math formats.">
<meta name="robots" content="index,follow">
<title>texmath demo</title>
<script src="//code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
var postConvert = function(body, onSuccess, onError) {
var xhr = new XMLHttpRequest();
xhr.open('POST', '/texmath/convert', true);
xhr.setRequestHeader('Accept', 'application/json');
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.onreadystatechange = function () {
var res = null;
if (xhr.readyState === 4) {
if (xhr.status === 204 || xhr.status === 205) {
onSuccess();
} else if (xhr.status >= 200 && xhr.status < 300) {
try { res = JSON.parse(xhr.responseText); } catch (e) { onError(e); }
if (res) onSuccess(res);
} else {
onError(xhr.responseText);
}
}
};
xhr.send(JSON.stringify(body));
};
var convert = function() {
postConvert(
{ 'text' : $('#input').val(),
'from': $('#from').val(),
'to': $('#to').val(),
'display': $('#display').val() == "true" },
function(res) {
$('#result').text(res);
$('#result').removeClass('error');
},
function(err) {
console.log(err);
$('#result').text(err);
$('#result').addClass('error');
})
};
// Browsers do not always like self-closing tags
function removeSelfClosingTags(s){
return s.replace(/<([a-z][a-z0-9]*)([^<>]*?) *\/>/g, "<$1$2><\/$1>");
};
$(document).ready(function(){
$('#convert').click(convert);
$('#to').change(convert);
$('#from').change(convert);
$('#display').change(convert);
});
</script>
<style type="text/css">
body { font-family: sans-serif; text-color: #555; font-size: 12pt; margin: 1em; }
h1 { font-size: 20pt; max-width: 13em; margin-right: 1em; }
.main-container { display: flex; flex-wrap: wrap; }
.container { display: flex; flex: 1; flex-wrap: wrap; min-width: 300px; margin: 6pt; }
textarea { width: 100%; font-size: 11pt; padding: 6px; }
pre { white-space: pre-wrap; color: blue; font-size: 11pt; font-family: monospace; }
.error { color: red; }
</style>
<script type="text/javascript">
</script>
</head>
<body>
<h1>texmath demo</h1>
<p><a href="https://github.com/jgm/texmath">texmath</a> is a Haskell
library, command-line program, and web server that converts between
TeX, MathML, OMML, eqn, and typst formats for mathematical formulas.</p>
<div id="controls" class="container">
<button id="convert">Convert</button>
<label for="from">from</label>
<select name="from" id="from">
<option value="tex" selected>tex</option>
<option value="mathml">mathml</option>
<option value="omml">omml</option>
</select>
<label for="to">to</label>
<select name="to" id="to">
<option value="tex">tex</option>
<option value="mathml" selected>mathml</option>
<option value="omml">omml</option>
<option value="eqn">eqn</option>
<option value="typst">typst</option>
</select>
<select name="display" id="display">
<option value="true" selected>display</option>
<option value="false">inline</option>
</select>
</div>
<div class="main-container">
<div class="container">
<textarea id="input">\int_0^1 x^x\,\mathrm{d}x = \sum_{n = 1}^\infty{(-1)^{n + 1}\,n^{-n}}</textarea>
</div>
<div class="container">
<pre id="result">
</pre>
</div>
</div>
</body>
</html>
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