<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="/d/file/itjie/<a href=/itjie/Javajishu/ target=_blank class=infotextkey>Java</a>Scriptjishu/2014-10-23/a96e264c9edf5c7aa6e7bb6f7c6fa8a7.gif" border="0" width="15"> [Ctrl+A 全選 注:如需引入外部Js需刷新才能執行] JavaScript技術:js怎樣實現下拉框改變,它旁邊的圖像也改變,轉載需保留來源! 鄭重聲明:本文版權歸原作者所有,轉載文章僅為傳播更多信息之目的,如作者信息標記有誤,請第一時間聯系我們修改或刪除,多謝。