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实例代码“Ctrl+/”提示“F11/ESC”全屏返回格式化恢复运行

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 拖动（Draggable） - 事件</title>
  <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
  <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
  <link rel="stylesheet" href="jqueryui/style.css">
  <style>
  #draggable { width: 16em; padding: 0 1em; }
  #draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
  #draggable ul li span.ui-icon { float: left; }
  #draggable ul li span.count { font-weight: bold; }
  </style>
  <script>
  $(function() {
    var $start_counter = $( "#event-start" ),
      $drag_counter = $( "#event-drag" ),
      $stop_counter = $( "#event-stop" ),
      counts = [ 0, 0, 0 ];
 
    $( "#draggable" ).draggable({
      start: function() {
        counts[ 0 ]++;
        updateCounterStatus( $start_counter, counts[ 0 ] );
      },
      drag: function() {
        counts[ 1 ]++;
        updateCounterStatus( $drag_counter, counts[ 1 ] );
      },
      stop: function() {
        counts[ 2 ]++;
        updateCounterStatus( $stop_counter, counts[ 2 ] );
      }
    });
 
    function updateCounterStatus( $event_counter, new_count ) {
      // 首先更新视觉状态...
      if ( !$event_counter.hasClass( "ui-state-hover" ) ) {
        $event_counter.addClass( "ui-state-hover" )
          .siblings().removeClass( "ui-state-hover" );
      }
      // ...然后更新数字
      $( "span.count", $event_counter ).text( new_count );
    }
  });
  </script>
</head>
<body>
 
<div id="draggable" class="ui-widget ui-widget-content">
 
  <p>请拖拽我，触发一连串的事件。</p>
 
  <ul class="ui-helper-reset">
    <li id="event-start" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-play"></span>"start" 被调用 <span class="count">0</span>x</li>
    <li id="event-drag" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-arrow-4"></span>"drag" 被调用 <span class="count">0</span>x</li>
    <li id="event-stop" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-stop"></span>"stop" 被调用 <span class="count">0</span>x</li>
  </ul>
</div>
 
 
</body>
</html>

AخA
 
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 拖动（Draggable） - 事件</title>
  <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css">
  <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
  <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
  <link rel="stylesheet" href="jqueryui/style.css">
  <style>
  #draggable { width: 16em; padding: 0 1em; }
  #draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
  #draggable ul li span.ui-icon { float: left; }
  #draggable ul li span.count { font-weight: bold; }
  </style>
  <script>
  $(function() {
    var $start_counter = $( "#event-start" ),
      $drag_counter = $( "#event-drag" ),
      $stop_counter = $( "#event-stop" ),
      counts = [ 0, 0, 0 ];
 