多个select如何获取最后一个，在线等
<div id="divid">
<select id="a1" name="a1">
<option value="0" selected="selected">选择分类</option>
<option value="90">MID TABLET PC</option>
</select>
<select id="a2" name="a2">
<option value="0" selected="selected">选择分类</option>
<option value="90">MID TABLET PC</option>
</select>
<select id="a3" name="a3">
<option value="0" selected="selected">选择分类</option>
<option value="90">MID TABLET PC</option>
</select>
</div>
请问我如何才能获取到最后一个select的值?谢谢
[解决办法]
- HTML code
<!DOCTYPE HTML><html> <head> <meta charset="gb2312" /> <title></title> </head> <body> <div id="divid"> <select id="a1" name="a1"> <option value="0" selected="selected">选择分类</option> <option value="90">MID TABLET PC</option> </select> <select id="a2" name="a2"> <option value="0" selected="selected">选择分类</option> <option value="90">MID TABLET PC</option> </select> <select id="a3" name="a3"> <option value="0" selected="selected">选择分类</option> <option value="90">MID TABLET PC</option> </select> </div> <script> var $ = function(id){ return document.getElementById(id); }; var $t = function(tag, cot){ cot = cot || document; return cot.getElementsByTagName(tag); }; var objs = $t('select', $('divid')); alert( objs[objs.length-1].id ) </script> </body></html>