set radio button checked jquery code example

Example 1: jQuery check a radio button

// jQuery version 1.6 or above use:  
$("#myRadioID").prop("checked", true);
 
//jQuery versions below 1.6 use:
$("#myRadioID").attr('checked', 'checked');

Example 2: radio button checked event jquery

$('#radio-button-id').click(function() {
  if($('#radio-button-id').is(':checked')) 
  { 
    //input where you put a value
    $('#program').val("radio-button-text");
  }                      
});

Example 3: jquery radio button checked event

$('input:radio[name="postage"]').change(function(){

        if ($(this).val() == 'Yes') {
            //true
        }
        else {
            //false
        }
    });

Example 4: get value of checked radio button jquery

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

Example 5: set radio button checked jquery

$(".nameOfTheClass").prop('checked', true);

Example 6: change selected radio jquery

Say you had radio buttons like these, for example:

<input type='radio' name='gender' value='Male'>
<input type='radio' name='gender' value='Female'>
  
And you wanted to check the one with a value of "Male" onload if no radio is 
checked:

$(function() {
    var $radios = $('input:radio[name=gender]');
    if($radios.is(':checked') === false) {
        $radios.filter('[value=Male]').prop('checked', true);
    }
});