Using JQuery to check if no radio button in a group has been checked

Question

I m sitting with a problem  I need to check with JQuery if no radio button within a radio button group has been checked  so that I can give the users an javascript error if they forgot to check a option    I m using the following code to get the values  var radio button val      input name  html elements   checked   val

User · Accepted Answer

if      input name  html elements   checked   val         alert  Nothing is checked       else     alert  One of the radio buttons is checked

User · Answer

You could do something like this   var radio buttons      input name  html elements      if  radio buttons filter   checked   length    0        None checked   else        If you need to use the result you can do so without      another  costly  jQuery selector call    var val   radio buttons val

User · Answer

Use  length refer to http   api jquery com checked-selector   if     input name  html elements   checked   length     0  alert  Not checked    else alert  Checked

User · Answer

I think this is a simple example  how to check if a radio in a group of radios was checked   if    input name html elements  checked   length         a radio button was checked  else        there was no radio button checked

User · Answer

I am using this much simple  HTML   lt label class  radio  gt  lt input id  job1  type  radio  name  job  value  1  checked gt New Job lt  label gt   lt label class  radio  gt  lt input id  job2  type  radio  name  job  value  2  gt Updating Job lt  label gt     lt button type  button  class  btn btn-primary  onclick  save     gt Save lt  button gt    SCRIPT       save   on  click   function e        if  job1 checked                          alert  New Job               if  job2 checked                        alert  Updating Job

User · Answer

var len       your form id input radio checked   length        if   len            alert  None checked                   alert  checked     len

User · Answer

I m using     input radio name  html radio     is   checked     And will return FALSE if all the items in the radiogroup are unchecked and TRUE if an item is checked

User · Answer

if     input name  html elements   checked   size    0       alert  Nothing is checked       else     alert  One of the radio buttons is checked

[jquery] Using JQuery to check if no radio button in a group has been checked

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