<select name="limit" onchange="selectStages()"> //绑定onchange事件

<option>请选择期限</option>

{loop $limit $item}

{/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

}

ITPub博客

js原生代码给select选择框实现onchange事件