<div class="htmlarea"> <textarea id="runcode14312"> <form method="post" name="f1" action=""> <select name="s1"> <option value="aaa">아아아</option> <option value="bbb">bb</option> <option value="ccc">cc</option> </select> </form> </textarea> <br><input onclick="runEx('runcode14312')" type="button" value="运行代码"><input onclick="doCopy('runcode14312')" type="button" value="复制代码"> <input onclick="doSave(runcode14312)" type="button" value="保存代码"> <a href="http://www.jb51.net/article/23421.htm" title="查看具体详情" target="_blank">[Ctrl A 모두 선택 참고: </a>외부 J를 도입해야 하는 경우 실행하려면 새로 고쳐야 합니다 </div>]<script type="text/javascript"> <!-- var ss="eee"; f1.s1.value=ss; alert(f1.s1.selectedIndex>-1) // --> </script>