<div class="htmlarea"> <textarea id="runcode35909"> <title>런코드</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Author" content="Sheneyan"> <select> <optgroup label="a"> <option>에이1</option> <option>에이2</option> <option>에이3</option> </optgroup> <optgroup label="b"> <option>b1</option> <option>b2</option> <option>b3</option> </optgroup> </select> </textarea><br><input onclick="runEx('runcode35909')" type="button" value="运行代码"> <input onclick="doCopy('runcode35909')" type="button" value="复制代码"> <input onclick="doSave(runcode35909)" type="button" value="保存代码">[Ctrl A 모두 선택 참고: <a href="http://www.jb51.net/article/23421.htm" title="查看具体详情" target="_blank">외부 J를 도입해야 하는 경우 실행하려면 새로 고쳐야 합니다 </a>]</div>