<div class="htmlarea"> <textarea id="runcode90171"> <input name="S1" type="text" value="如何改变这里的字的颜色？" size="40"> <select size="1" name="D1" onchange='if(s=document.getElementById("S1")){s.style.color=value}'> <option selected value="white">请选择颜色</option> <option value="red" style="color:red">红色</option> <option value="blue" style="color:blue">蓝色</option> <option value="green" style="color:green">绿色</option> </select> </textarea><br><input onclick="runEx('runcode90171')" type="button" value="运行代码"> <input onclick="doCopy('runcode90171')" type="button" value="复制代码"> <input onclick="doSave(runcode90171)" type="button" value="保存代码">[Ctrl+A 全选 注:<a href="http://www.jb51.net/article/23421.htm" title="查看具体详情" target="_blank">如需引入外部Js需刷新才能执行</a>]</div>
