<div class="htmlarea"> <textarea id="runcode4679"> <select id="s1" onchange='document.getElementById("pic").src=this.value'> <option value="/upload/20080918164946929.gif">biggrin</option> <option value="/upload/20080918164946913.gif">confused</option> <option value="/upload/20080918164946995.gif">cool</option> <option value="/upload/20080918164946667.gif">eek</option> <option value="/upload/20080918164946725.gif">frown</option> <option value="/upload/20080918164946792.gif">han</option> <option value="/upload/20080918164946356.gif">mad</option> <option value="/upload/20080918164946762.gif">redface</option> <option value="/upload/20080918164946633.gif">rolleyes</option> <option value="/upload/20080918164946854.gif">smile</option> <option value="/upload/20080918164947307.gif">tongue</option> <option value="/upload/20080918164947238.gif">wink</option> </select> <img id="pic" src="http://files.jb51.net/upload/20080918164946929.gif" border="0" style="max-width:90%" alt="js怎样实现下拉框改变，它旁边的图像也改变_图象特效" > </textarea><br><input onclick="runEx('runcode4679')" type="button" value="运行代码"> <input onclick="doCopy('runcode4679')" type="button" value="复制代码"> <input onclick="doSave(runcode4679)" 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>
