尝试选项
function myNewFunction(sel) { alert(sel.options[sel.selectedIndex].text);}<select id="box1" onChange="myNewFunction(this);"> <option value="98">dog</option> <option value="7122">cat</option> <option value="142">bird</option></select>
尝试选项
function myNewFunction(sel) { alert(sel.options[sel.selectedIndex].text);}<select id="box1" onChange="myNewFunction(this);"> <option value="98">dog</option> <option value="7122">cat</option> <option value="142">bird</option></select>名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
