Reprinted from: https://blog.csdn.net/dongfengkuayue/article/details/50352937
Take the value of radio:
js code
$("input[name='radioName'][checked]").val();
Assign a value to radio and select the radio with a value of 2:
js code:
$("input[name='radioName'][value=2]").attr("checked",true);
<script type="text/javascript"> $(document).ready(function(){ var type=<%=(String)request.getAttribute("specialType")%>; if(type==0){ $("input[name='specialType'][value=0]").attr("checked",true); }else{ $("input[name='specialType'][value=1]").attr("checked",true); } }); </script>
<table> <tr> <td class="td_label">Special Type</td> <td> <label for="whiteList">Whitelist</label> <input type="radio" id="specialType1" name="specialType" value="0"/> <label for="blackList">Blacklist</label> <input type="radio" id="specialType2" name="specialType" value="1" /> </td> </tr> </table>
Also: https://blog.csdn.net/zbyluxzing/article/details/46965915