PHP & JavaScript Room :: 設置サンプル

実行結果

設置サンプル

【参照】Preloading Images with jQuery and JavaScript

▼キャッシュした画像を出力

設置サンプルのソース

<!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="/content/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($) {
           var cache = [];
           // 引数に画像URLを配列で渡す
           $.preLoadImages = function() {
             var args_len = arguments.length;
             for (var i = args_len; i--;) {
               var cacheImage = document.createElement('img');
               cacheImage.src = arguments[i];
               cache.push(cacheImage);
             }
//             console.log(cache);
            return cache;
           }
         })(jQuery)
         $(function(){
            var imgs=$.preLoadImages("http://farm4.static.flickr.com/3514/3274514408_49f9e56d5c_o.jpg", "http://farm4.static.flickr.com/3509/3273696567_de3437ced9_o.jpg");
            $("#wrap").append(imgs);
         });
      </script>
   <link rel="stylesheet" type="text/css" href="/common/css/example.css"></head>
   <body id='example3' class='example'><div class="ads" style="margin:32px auto;text-align:center;"></div><h1 class='h'><a href='/'>PHP &amp; JavaScript Room</a> :: 設置サンプル</h1>
<h3 class='h'>実行結果</h3>
      <div id="wrap">
         <h1>設置サンプル</h1>
         <p>【参照】<a href='http://engineeredweb.com/blog/09/12/preloading-images-jquery-and-javascript'>Preloading Images with jQuery and JavaScript</a></p>
         <p>▼キャッシュした画像を出力</p>
<!-- CODE -->
<!-- / CODE -->
      </div>
   </body>
</html>