gistfile1.html

<script>
$(function() {
  $(".input-block select, .input-block input, .input-block textarea").on("change keyup", function() {
    $("ticket_labels_new").val("");
    var labels = [];

    if ($("#div-inquiry-type select").val() == "Mobile App Support" && $("#div-platform select").val() == "Apple iPad" && $("#div-app select").val() == "Big Cat Week: Quest for Survival") {
      labels.push("T- Channel");
    }

    if ($("#div-inquiry-type select").val() == "Mobile App Support" && ($("#div-platform select").val() == "Apple iPad" || $("#div-platform select").val() == "Apple iPhone or iPod Touch" || $("#div-platform select").val() == "Android Phone (any)" || $("#div-platform select").val() == "Android Tablet (any)") && $("#div-app select").val() == "Nat Geo TV") {
      labels.push("T- Channel");
    }

    $("#ticket_labels_new").val(labels.join(","));
    console.log($("#ticket_labels_new").val());
  });
});
</script>