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POUsing Javascript to detect if font is installed, then serve different css if it's not
 

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    <p>I'm new to Javascript (but not HTML or CSS) and am trying to use this script by <a href="http://www.lalit.org/lab/javascript-css-font-detect/" rel="nofollow">Lalit Patel</a> to detect whether a font is installed on the user's system, and if not, to serve a modified style sheet. I've been successful in getting the first part to work: I uploaded the fontdetect.js file, called it in my header, then pasted this before the end of my body tag:</p> <pre><code>&lt;script type="text/javascript"&gt; window.onload = function() { var detective = new Detector(); alert(detective.detect('Courier')); }; &lt;/script&gt; </code></pre> <p>(With Courier used as an example.) This causes an alert to pop up on page load telling me whether a font is installed, and works beautifully. But I don't know how to get the script to, instead of triggering an alert, grab a different stylesheet. This seems like basic stuff but I just can't find the specifics anywhere, even though I've been plowing through Javascript tutorials. Any guidance would be greatly appreciated!</p> <p>If any more specifics are needed: If a user doesn't have the custom font installed or has custom fonts turned off entirely, I'd like to, using CSS change the size/spacing properties of the text so that the fallback font is able to fit in the same space.</p>
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    1. COhave you checked [here](http://stackoverflow.com/questions/805384/how-to-apply-inline-and-or-external-css-loaded-dynamically-with-jquery) or [here](http://stackoverflow.com/questions/2685614/load-external-css-file-like-scripts-in-jquery-which-is-compatible-in-ie-also)?
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    2. COI hadn't seen those, good starting place, thanks!
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    3. CO@Rohrbs: both of those rely on jQuery, yet OP doesn't mention or tag the library...
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