jquery获取点击单选按钮的值

<form>
是否开启定位：<label><input type="radio" name="isLocation" value="1"/>开启</label>
<label><input type="radio" name="isLocation" value="0"/>关闭</label>
</form>

$(document).ready(function(){
$("input[name='isLocation']").click(function(){
var settingSafeIslandFlag =$("input[name='isLocation']:checked").val();
var deviceNo =$('#deviceNo option:selected').val();
jQuery.ajax({
type:'POST',
url:getWebRootPath()+'/deviceSet/setDeviceSettingFlag.json',
data:{"deviceNo":deviceNo,"settingSafeIslandFlag":settingSafeIslandFlag},
dataType:'json',
success:function(data){
if(data.msg =='0'){
new BUI.Message.Alert('关闭成功','success');
}else{
new BUI.Message.Alert('开启成功','success');
}
}
});
});
});