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POParsing XML or JSON with Jquery
 

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    <p>I have a fairly large XML file (around 42MB) that I am parsing with jquery. I need to selectively show certain nodes based on an ID. By doing this the web browser becomes unresponsive, and the average time for parsing is greater than 15 seconds. </p> <p>My query is whether converting this large XML file to JSON, help improve the performance? Below is a sample of the XML.</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;!DOCTYPE thesaurus SYSTEM "Thesaurus_1_4.dtd"&gt; &lt;thesaurus action="ExportLanguage" language="en" version="2.7" date="2011-08-15"&gt; &lt;options/&gt; &lt;wordblocks&gt; &lt;wordblock&gt; &lt;term type="forbidden" lang="en" termid="18297"&gt; &lt;value&gt;1,1-DIETHOXYETHANE&lt;/value&gt; &lt;/term&gt; &lt;terms&gt; &lt;term rel="USE" lang="en" termid="30" type="valid"&gt; &lt;value&gt;ACETAL&lt;/value&gt; &lt;/term&gt; &lt;/terms&gt; &lt;/wordblock&gt; &lt;wordblock&gt; &lt;term type="forbidden" lang="en" termid="18307"&gt; &lt;value&gt;1,2,3-PROPANETRIOL&lt;/value&gt; &lt;/term&gt; &lt;terms&gt; &lt;term rel="USE" lang="en" termid="4028" type="valid"&gt; &lt;value&gt;GLYCEROL&lt;/value&gt; &lt;/term&gt; &lt;/terms&gt; &lt;/wordblock&gt; &lt;wordblock&gt; &lt;term type="forbidden" lang="en" termid="18308"&gt; &lt;value&gt;1,2,3-TRIHYDROXYBENZENE&lt;/value&gt; &lt;/term&gt; &lt;terms&gt; &lt;term rel="USE" lang="en" termid="8094" type="valid"&gt; &lt;value&gt;PYROGALLOL&lt;/value&gt; &lt;/term&gt; &lt;/terms&gt; &lt;/wordblock&gt; &lt;wordblock&gt; &lt;term type="forbidden" lang="en" termid="18309"&gt; &lt;value&gt;1,2,4,5-TETRAMETHYLBENZENE&lt;/value&gt; &lt;/term&gt; &lt;terms&gt; &lt;term rel="USE" lang="en" termid="2814" type="valid"&gt; &lt;value&gt;DURENE&lt;/value&gt; &lt;/term&gt; &lt;/terms&gt; &lt;/wordblock&gt; &lt;wordblock&gt; &lt;term type="forbidden" lang="en" termid="18298"&gt; &lt;value&gt;1,2-DIHYDROXYANTHRAQUINONE&lt;/value&gt; &lt;/term&gt; &lt;terms&gt; &lt;term rel="USE" lang="en" termid="229" type="valid"&gt; &lt;value&gt;ALIZARIN&lt;/value&gt; &lt;/term&gt; &lt;/terms&gt; &lt;/wordblock&gt; &lt;/wordblocks&gt; &lt;/thesaurus&gt; </code></pre> <p>and here's the ajax call to the XML</p> <pre><code>LoadRelatedTerms = function (term) { $.ajax({ type: "GET", url: "THESAURUS.xml", dataType: "xml", success: function (xml) { $('.items').html(''); $(xml).find('wordblock').each(function () { $(this).children('term').each(function () { var value = $(this).find('value').text(); if (value == term) { $(this).parent().children('terms').children('term[level=1]').each(function () { var id = $(this).attr('id'); var termValue = $(this).find('value').text(); $('&lt;div class="items" id="term' + id + '"&gt;&lt;/div&gt;').html(termValue).appendTo('#page-wrap'); }); return false; } }); }); } }); </code></pre>
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