unchecked checkbox apply jquery code example

Example 1: jquery uncheck checkbox

$('#myCheckbox').prop('checked', true); // Checks it
$('#myCheckbox').prop('checked', false); // Unchecks it

Example 2: get unchecked checkbox jquery

if ($("#check_box_id").is(':checked')) {
  alert("checked");
}else{
  alert("unchecked");
}