下面的例子返回下拉列表中所有选项的文本 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>蜜蜂教程(mifengjc.com)</title>
  <script>
    function displayResult(selTag) {
      var x = selTag.options[selTag.selectedIndex].text;
      alert("你选择了: " + x);
    }
  </script>
</head>
<body>

  <form>
    选择你最喜欢的水果:
    <select onchange="displayResult(this)">
  <option>Apple</option>
  <option>Orange</option>
  <option>Pineapple</option>
  <option>Banana</option>
</select>
  </form>

</body>
</html>
        