jQuery日本語リファレンス

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Events/API/jQuery - Sample Code

change(fn)


            
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
                    "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
  <script src="/jquery/js/jquery.js"></script>
  
  <script>
  $(document).ready(function(){
    
    $("select").change(function () {
          var str = "";
          $("select option:selected").each(function () {
                str += $(this).text() + " ";
              });
          $("div").text(str);
        })
        .change();

  });
  </script>
  <style>
  div { color:red; }
  </style>
</head>
<body>
  <select name="sweets" multiple="multiple">
    <option>Chocolate</option>

    <option selected="selected">Candy</option>
    <option>Taffy</option>
    <option selected="selected">Caramel</option>
    <option>Fudge</option>
    <option>Cookie</option>
  </select>

  <div></div>
</body>
</html>
            
          
[実行結果]
[change(fn) の説明へ]