FPU Packet Pickup Javascript
============================

Return to :doc:`../PacketPickup`.

Below is the javascript used for the FPUPacketPickup sample project
with some high level explanation following.

.. note::
        This file should be located under 
        `Admin > Special Content > Text` tab, and be named `FPUPacket.js`.

.. literalinclude:: Files/FPUPacket.js
  :language: javascript
  :linenos:

Lines 6 and 8
        Pressing "Enter" or clicking the "Action" button will start the ``action()``, processing the barcode.

Lines 15-19
        If there is a barcode already there, 
        erase it first so that the form is ready to scan the next barcode.

Lines 20-24
        Send the form inputs via POST method to the script on the server.

Lines 26-35
        Reset the form to the default values when the "Clear" button is clicked.