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POjQuery hover and fadeTo effect is slow in IE 8
 

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  1. POjQuery hover and fadeTo effect is slow in IE 8
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    <p>I've been developing my website in both Firefox and IE 8. There's an image hover effect on the main page (as well as in the photography and drawing sections). You can see the code in the source at <a href="http://www.dgendill.com" rel="nofollow noreferrer">http://www.dgendill.com</a>. In Firefox, the effect works perfect. In IE 8, it works, but it's much, much slower. Here's what I've tried to improve the speed:</p> <ol> <li>Used the optimized jQuery library</li> <li><p>Narrowed the scope with which jQuery traverses the DOM. For instance:</p> <pre><code>$(".sectionLink","#divLandingPage").hover( function(){ $(this).addClass("hover"); $(this).fadeTo(100,.8); }, function(){ $(this).removeClass("hover"); $(this).fadeTo(100,.99); } ); </code></pre></li> <li><p>I've tried changing the display type of the image. Display block, inline-block, and inline.</p></li> </ol> <p>Any ideas why IE 8 is so much slower? My HTML is valid 4.01.</p> <p>Here's a guy that's worked with the same problem: <a href="http://mdasblog.wordpress.com/2009/07/24/jquery-fun-with-animation-and-opacity/" rel="nofollow noreferrer">http://mdasblog.wordpress.com/2009/07/24/jquery-fun-with-animation-and-opacity/</a></p> <p>I've decided to just disable the hover effect in IE.</p> <pre><code>if(jQuery.support.opacity) { $(".sectionLink","#divLandingPage").hover( function(){ $(this).addClass("hover"); $(this).fadeTo(100,.8); }, function(){ $(this).removeClass("hover"); $(this).fadeTo(100,.99); } ); } </code></pre>
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    1. COI don't think it's the solution, but you don't need to create a window.load event. Everything you are doing in that event could be done in the document.ready event.
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      1. USJoel
    2. COSide question: Does document.load activate when all the images have completed loading? It seems like I can only get that to work when I used window.load.
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    3. COFound the difference: http://4loc.wordpress.com/2009/04/28/documentready-vs-windowload/ Thanks for the tip, I'll switch to either one or the other
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