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    <p>I think one of the better ways to do this might be to embed images using the Google Charts API.</p> <pre><code>&lt;img src="http://chart.apis.google.com/chart?cht=tx&amp;chl=x=\frac{-b%20\pm%20\sqrt{b^2-4ac}}{2a}"&gt; </code></pre> <p>To Learn more: <a href="https://developers.google.com/chart/image/" rel="nofollow noreferrer">https://developers.google.com/chart/image/</a> [note, the API has been officially deprecated, but will work until April 2015] </p> <p>If you really must use LaTeX and some js library, I think one way you could accomplish this is by injecting a script tag into the iframe. I hope this is a good starting point.</p> <p><strong>Example:</strong></p> <pre><code>// ==UserScript== // @name Test Gmail Alterations // @version 1 // @author Justen // @description Test Alter Email // @include https://mail.google.com/mail/* // @include http://mail.google.com/mail/* // @license GPL version 3 or any later version; http://www.gnu.org/copyleft/gpl.html // ==/UserScript== (function GmailIframeInject() { GM_log('Starting GMail iFrame Injection'); var GmailCode = function() { // Your code here; // The ':pd' (div id) changes, so you might have to do some extra work var mail = document.getElementById(':pd'); mail.innerHTML = '&lt;h1&gt;Hello, World!&lt;/h1&gt;'; }; var iframe = document.getElementById('canvas_frame'); var doc = null; if( iframe ) { GM_log('Got iFrame'); doc = iframe.contentDocument; } else { GM_log('ERROR: Could not get iframe with id canvas_frame'); return } if( doc ) { GM_log('Injecting GmailCode'); var code = "(" + GmailCode + ")();" doc.body.appendChild(doc.createElement('script')).innerHTML=code; } else { GM_log('ERROR: Could not get iframe content document'); return; } })(); </code></pre>
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    1. COI tested it. At first, I saw nothing. After inserting some alert(), the "Hello World" did appear. This must be a timing issue. My javascript did not work on the message, though. Again, this must be an issue of timing, or the order of execution. But great job, anyway! This is the first time I see a script doing something to a Gmail message.
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    2. COI want to run the google chart scripts in gmail message body what should i do
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    3. CO<script type="text/javascript" src="https://www.google.com/jsapi"></script> <script type="text/javascript"> google.load('visualization', '1', {packages: ['corechart']}); </script>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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