Jquery 中下拉列表的检查值

CheckValue of a drop down in Jquery

如果此代码检查单选按钮的值,如果我需要检查下拉框的值,我该如何更改?

var checker= jq('input[name="radioname"]:radio:checked').attr("val");
var selecter = jq('select[name="selectname"]').val();

试试看:)

$(':radio[name="sex"][value="male"]').prop("checked", true);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

Sex : <input type="radio" name="sex" value="male">Male 
<input type="radio" name="sex" value="female" checked="checked">Female