开发学院网页设计 JavaScript js怎样实现下拉框改变，它旁边的图像也改变阅读

js怎样实现下拉框改变，它旁边的图像也改变

　2010-09-14 13:28:55　来源：WEB开发网　　　

核心提示：运行可以看到效果<select id="s1" onchange='document.getElementById("pic").src=this.value'><option value=http://tech.ddvip.com/2008-1

运行可以看到效果

<select id="s1" onchange='document.getElementById("pic").src=this.value'> <option value=http://tech.ddvip.com/2008-12/"/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://tech.ddvip.com/2008-12/"/upload/20080918164946929.gif" border="0" width="15">