Answers for "how to get value of checkbox using jquery"

jquery get value checkbox checked

console.log($('input[name="locationthemes"]:checked').serialize());

//or

$('input[name="locationthemes"]:checked').each(function() {
   console.log(this.value);
});

get the value of a checkbox jquery

$("input[type='checkbox']").val();
$('#check_id').val();