<select name="limit" onchange="selectStages()"> //绑定onchange事件 <option>请选择期限</option> {loop $limit $item} <option value="{$item}">{$item}</option> {/loop} </select>

function selectStages(){ var selectNodesObj = document.getElementById(‘qx‘); var selIndex = selectNodesObj.selectedIndex; //获取当前选择的选项的index值 var selValue = selectNodesObj.options[selIndex].value; //获取当前选择项的值}