jquery check a radio button 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: jquery checkbox checked

$("checkbox").is(":checked")

Example 3: unset radio button jquery by name

$("input:radio[name='thename']").each(function(i) {
       this.checked = false;
});

Example 4: jquery chek radio

//<input type="radio" name="book_condition" value="3" >
$("input:radio[value='3'][name='book_condition']").prop('checked',true);