80 lines
2.8 KiB
HTML
80 lines
2.8 KiB
HTML
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<!DOCTYPE html>
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<!-- frac.js (C) 2015 SheetJS http://sheetjs.com -->
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<!-- vim: set ts=2: -->
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<html>
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<head>
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<title>Fraction Live Demo</title>
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<script src="frac.js"></script>
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</head>
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<body>
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<b>Fraction Live Demo</b><br />
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<a href="https://github.com/SheetJS/frac">Source Code</a><br />
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<a href="https://github.com/SheetJS/frac/issues">Issues? Something look weird? Click here and report an issue</a><br />
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<br />
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<table>
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<tr><td><b>Number:</b></td><td><input type="text" id="val" value="1.3"></td></tr>
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<tr><td><b>Denominator Digits:</b></td><td><input type="text" id="fmt" value="1"></td></tr>
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<tr><td><b>Use Mixed Fraction:</b></td><td><input type="checkbox" id="mix" name="mixd" checked></td></tr>
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<tr><td colspan="2"> </td></tr>
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<tr><td><b>Mediant Fraction:</b></td><td><pre id="frm"></pre></td></tr>
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<tr><td><b>Aberth Fraction:</b></td><td><pre id="fra"></pre></td></tr>
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</table>
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</body>
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<script>
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var V = document.getElementById('val');
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var F = document.getElementById('fmt');
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var X = document.getElementById('mix');
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var M = document.getElementById('frm');
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var A = document.getElementById('fra');
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function update() {
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var x, D, mixed, oM, oA;
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x = Number(V.value);
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D = Math.pow(10, Number(F.value))-1;
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mixed = X.checked;
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if(x !== x) { M.innerHTML=A.innerHTML = V.value + " not valid"; return; }
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if(D !== D) { M.innerHTML=A.innerHTML = F.value + " not valid"; return; }
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try {
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oM = frac(x, D, mixed);
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M.innerHTML = oM[0] + " " + oM[1] + "/" + oM[2];
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} catch(e) { M.innerHTML = e.message; }
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try {
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oA = frac.cont(x, D, mixed);
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A.innerHTML = oA[0] + " " + oA[1] + "/" + oA[2];
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} catch(e) { A.innerHTML = e.message; }
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}
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/* Bind to relevant events */
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if(F.addEventListener) {
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F.addEventListener('keyup', update);
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V.addEventListener('keyup', update);
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M.addEventListener('change', update);
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X.addEventListener('change', update);
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} else if(F.attachEvent) {
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F.attachEvent('onkeyup', update);
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V.attachEvent('onkeyup', update);
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M.attachEvent('onchange', update);
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X.attachEvent('onchange', update);
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} else {
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F.oninput = update;
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V.oninput = update;
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M.onchange = update;
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X.onchange = update;
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}
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update();
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</script>
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<script type="text/javascript">
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var _gaq = _gaq || [];
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_gaq.push(['_setAccount', 'UA-36810333-1']);
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_gaq.push(['_trackPageview']);
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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</script>
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</html>
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