get checked radio button value in jquery code example

Example 1: jquery get value of radio input

$('input[name="name_of_your_radiobutton"]:checked').val();

Example 2: how to get the value of radio button in jquery

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Here , name=Gender is the name attribute value of the radio button

$("input[name='Gender']:checked").val()

Example 3: get value of checked radio button jquery

$('form input[type=radio]:checked').val();

Example 4: check radio button is checked jquery

$(document).ready(function(){
  $('#submit_button').click(function() {
    if (!$("input[name='name']:checked").val()) {
       alert('Nothing is checked!');
        return false;
    }
    else {
      alert('One of the radio buttons is checked!');
    }
  });
});