check radio 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: html radio button checked
<input type="radio" id="huey" name="drone" value="huey"
checked>
<!-- https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/radio-->
Example 3: radio selected
//checked
<input type="radio" id="huey" name="drone" value="huey"
checked>