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POjQuery adding and removing 'active' classes plus hover
 

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    <p>I have a definition list with thumbnails. They are 50% opacity with a 'thumb' class. When hovered 100% opacity. When clicked 100% opacity plus change 'thumb' to 'thumbactive' class</p> <p>So far my crappy code works, only thing is I can not get the tn on 100% on click.</p> <pre> dl { width: 700px; } dt { clear: left; float: right; width: 400px; height:80px; margin: 0 0 10px 0; background:orange; } dd.thumb, dd.thumbActive { clear: none; float: left; margin: 0 0 10px 0; background:black; } dd { clear: right; } </pre> <pre> jQuery.noConflict(); jQuery(document).ready(function() { /* just for debugging */ function showClassNames() { jQuery("dt").each(function() { var className = jQuery(this).next().attr('class'); jQuery(this).text(className); }); }; showClassNames(); /* resets all thumbs (50% alpha, .thumb classname) */ function resetThumbs() { jQuery("dd").each(function() { jQuery(this).removeClass("thumbActive"); jQuery(this).addClass("thumb"); jQuery("dd img").css('opacity', 0.5); }); }; // half opacity for all thumbs except the first one (active) jQuery("dd:not(.thumbActive) img").css('opacity', 0.5); jQuery("dd img").hover( function() { jQuery(this).css('opacity', 1.0); }, function() { jQuery(this).css('opacity', 0.5); } ); jQuery("a.thumbClick").click(function() { resetThumbs(); jQuery(this).parent().removeClass("thumb"); jQuery(this).parent().addClass("thumbActive"); jQuery(this).css('opacity', 1.0); showClassNames(); return false; }); }); // end document ready </pre> <pre><code>&lt;div id="album-canvas-left" style="width:930px; " &gt; &lt;dl id="thumb-list" &gt; &lt;dt&gt;&lt;/dt&gt; &lt;dd class="thumbActive"&gt;&lt;a href="#" class="thumbClick"&gt;&lt;img src="gallery/album1/thumb/001.jpg" width="120" height="80" alt="living room" title="living room" /&gt;&lt;/a&gt;&lt;/dd&gt; &lt;dd&gt;&lt;/dd&gt; &lt;dt&gt;&lt;/dt&gt; &lt;dd class="thumb"&gt;&lt;a href="#" class="thumbClick"&gt;&lt;img src="gallery/album1/thumb/002.jpg" width="120" height="80" alt="bedroom" title="bedroom" /&gt;&lt;/a&gt;&lt;/dd&gt; &lt;dd&gt;&lt;/dd&gt; &lt;dt&gt;&lt;/dt&gt; &lt;dd class="thumb"&gt;&lt;a href="#" class="thumbClick"&gt;&lt;img src="gallery/album1/thumb/003.jpg" width="120" height="80" alt="kitchen" title="kitchen" /&gt;&lt;/a&gt;&lt;/dd&gt; &lt;dd&gt;&lt;/dd&gt; &lt;/dl&gt; </code></pre> <p></p>
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