How to check radio button is checked or not in jQuery

How to check radio button is checked or not in jQuery

In this blog, we will learn, how to know which radio button is checked in jQuery. Sometimes in websites or web applications, there is a need to know which radio button is checked. In jQuery there are two methods is(“:checked”) and prop(“checked”) by using these methods we can check radio button is checked or not. Let’s see the following solution:

Example1:  Using is(": checked") method


<!DOCTYPE html>
<html>
<head>
</head>
 
<body>
<input type="radio" class="radioButtons" name="radioGroup" value="1">1
<input type="radio" class="radioButtons" name="radioGroup" value="2">2
 
 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
 
$('.radioButtons').click(function(){
 
  if($(this).is(":checked"))
  {
     
              alert($(this).val());
  }
 
  });
 
});
</script>
</body>
</html>
 
 

Example2:  Using prop(“checked”) method:


<!DOCTYPE html>
<html>
<head>
</head>
 
<body>
<input type="radio" class="radioButtons" name="radioGroup" value="1">1
<input type="radio" class="radioButtons" name="radioGroup" value="2">2
 
 
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
 
$('.radioButtons').click(function(){
 
  if($(this).prop("checked"))
  {
     
              alert($(this).val());
  }
 
  });
 
});
</script>
</body>
</html>