jQueryのスライドショー

2011.09.06 17:20
 jQueryのスライドショーですが、単純にただスライドさせるだけだったら、以下のソースだけで動いてしまいます。大変便利。
ソースはこちらから

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja">
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
      <meta http-equiv="Content-Language" content="ja" />
      <meta http-equiv="Content-Script-Type" content="text/javascript" />
      <meta http-equiv="Content-Style-Type" content="text/css" />
      <meta http-equiv="imagetoolbar" content="no" />
       <title>設置サンプル</title>
      <link rel="stylesheet" type="text/css" href="lib/global.css" />
      <!-- JS -->
      <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" ></script>
      <script type="text/javascript">
         function slideSwitch() {
             var $active = $('#slideshow img.active');
             if ( $active.length == 0 ) $active = $('#slideshow img:last');
             var $next =  $active.next().length ? $active.next() : $('#slideshow img:first');
             $active.addClass('last-active');
             $next.css({opacity: 0.0})
                 .addClass('active')
                 .animate({opacity: 1.0}, 1000, function() {
                     $active.removeClass('active last-active');
               });
         }
         $(function() {
             setInterval( "slideSwitch()", 4000 );
         });
      </script>
      <!-- CSS -->
      <style type="text/css">
         #slideshow { position:relative; width:320px; height:240px; }
         #slideshow img { position:absolute; top:0; left:0; z-index:8; }
         #slideshow img.active { z-index:10; }
         #slideshow img.last-active { z-index:9; }
      </style>
   </head>
   <body>
      <div id="wrap">
         <h1>設置サンプル</h1>
         <p>参照:<a href='http://jonraasch.com/blog/a-simple-jquery-slideshow'>A Simple jQuery Slideshow</a></p>
         <p>▼画像がフェードしながら切り替わります。</p>
<!-- CODE -->
         <div id="slideshow">
             <img src="http://farm4.static.flickr.com/3222/2974008614_736e2d5b50.jpg" alt="" />
             <img src="http://farm4.static.flickr.com/3141/2973155055_4cf4370939.jpg" alt=""  class="active" />
             <img src="http://farm4.static.flickr.com/3174/2973352946_d3589b717e.jpg" alt="" />
         </div>
<!-- / CODE -->
      </div>
   </body>
</html>






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