HTML search by two properties

I would like to be able to search for checkboxes which are not disabled (attribute disable is not set to "disabled":

My function is below. I am able to find all checkboxes, but I don't know how to search for not-disabled checkboxes:

 MarkAllColumns = function () {

if (MarkAll === true) {
  $("#tblArticlesSearch input[type=checkbox]").prop('checked', true);
}
else {
  $("#tblArticlesSearch input[type=checkbox]").prop('checked', false);
}

}

I want to set attribute checked to true only on not-disabled checkboxes.