js怎样实现下拉框改变，它旁边的图像也改变 时间:2020-05-12 人气:0 <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 onerror="javascript:this.src='/skin1/img/error.jpg';" id="pic" src="https://img.qb5200.com/download-x/20200511/25839.gif" border="0" width="15"> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行] 加载全部内容