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   1  <p>The jQuery UI effects core extends the <a href="http://docs.jquery.com/Effects/animate" title="Effects/animate">animate</a> function to be able to animate colors as well. It's heavily used by the class transition feature and it's able to color animate the following properties:
   2  </p>
   3  <ul><li> <b>backgroundColor</b>
   4  </li><li> <b>borderBottomColor</b>
   5  </li><li> <b>borderLeftColor</b>
   6  </li><li> <b>borderRightColor</b>
   7  </li><li> <b>borderTopColor</b>
   8  </li><li> <b>color</b>
   9  </li><li> <b>outlineColor</b>
  10  </li></ul>
  11  <p>with one of the following combinations:
  12  </p>
  13  <ul><li> <b>hex (#FF0000)</b>
  14  </li><li> <b>rgb (rgb(255,255,255))</b>
  15  </li><li> <b>names ("black")</b>
  16  </li></ul>
  17  <p><br />
  18  </p><p><div class="options list"><table class="options examples" cellspacing="0"><thead><tr><th>Name</th><th>Type</th></tr></thead><tbody>
  19  </table><b class="options">Example:</b><table class="options examples" cellspacing="0"><thead><tr><th>Name</th><th>Type</th></tr></thead><tbody>
  20  <div class="example">
  21  <ul><li><a href="#demo"><span>Demo</span></a></li><li><a href="#source"><span>View Source</span></a></li></ul>
  22  <div id="demo" class="tabs-container" rel="125">
  23  A simple color animation.<br />
  24  </p>
  25  <pre>$(&quot;.block&quot;).<a href="http://docs.jquery.com/Events/toggle" title="Events/toggle">toggle</a>(function() {
  26      $(this).<a href="http://docs.jquery.com/Effects/animate" title="Effects/animate">animate</a>({ backgroundColor: &quot;black&quot; }, 1000);
  27  },function() {
  28      $(this).<a href="http://docs.jquery.com/Effects/animate" title="Effects/animate">animate</a>({ backgroundColor: &quot;#68BFEF&quot; }, 500);
  29  });
  30  
  31  </pre>
  32  <p></div><div id="source" class="tabs-container">
  33  </p>
  34  <pre>&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
  35                      "<a href="http://www.w3.org/TR/html4/loose.dtd" class="external free" title="http://www.w3.org/TR/html4/loose.dtd">http://www.w3.org/TR/html4/loose.dtd</a>"&gt;
  36  &lt;html&gt;
  37  &lt;head&gt;
  38    &lt;script src="<a href="http://code.jquery.com/jquery-latest.js" class="external free" title="http://code.jquery.com/jquery-latest.js">http://code.jquery.com/jquery-latest.js</a>"&gt;&lt;/script&gt;
  39    
  40    &lt;script src=&quot;http://jqueryui.com/latest/ui/effects.core.js&quot;&gt;&lt;/script&gt;
  41  
  42    &lt;script&gt;
  43    $(document).ready(function(){
  44      $(&quot;.block&quot;).<a href="http://docs.jquery.com/Events/toggle" title="Events/toggle">toggle</a>(function() {
  45      $(this).<a href="http://docs.jquery.com/Effects/animate" title="Effects/animate">animate</a>({ backgroundColor: &quot;black&quot; }, 1000);
  46  },function() {
  47      $(this).<a href="http://docs.jquery.com/Effects/animate" title="Effects/animate">animate</a>({ backgroundColor: &quot;#68BFEF&quot; }, 500);
  48  });
  49  
  50    });
  51    &lt;/script&gt;
  52    &lt;style&gt;
  53    .block { 
  54      color: white;
  55      background-color: #68BFEF;
  56      width: 150px; 
  57      height: 70px;
  58      margin: 10px; 
  59    }
  60    &lt;/style&gt;
  61  &lt;/head&gt;
  62  &lt;body&gt;
  63    &lt;div class=&quot;block&quot;&gt; Click me&lt;/div&gt;
  64  &lt;/body&gt;
  65  &lt;/html&gt;
  66  </pre>
  67  <p></div>
  68  </p><p></div>
  69  </p><p></tbody></table></div>
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