The Tor Browser / file revision

 /**

  * Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/publicdomain/zero/1.0/

  */

 onmessage = function(event) {

   if ("notEmpty" in event.data && "byteLength" in event.data.notEmpty) {

     postMessage({ event: "W: NotEmpty object received: " + event.data.notEmpty.byteLength,

                   status: event.data.notEmpty.byteLength != 0, last: false });

   }

   var ab = new ArrayBuffer(event.data.size);

   postMessage({ event: "W: The size is: " + event.data.size + " == " + ab.byteLength,

                 status: ab.byteLength == event.data.size, last: false });

   postMessage({ event: "W: postMessage with arrayBuffer", status: true,

                 notEmpty: ab, ab: ab, bc: [ ab, ab, { dd: ab } ] }, [ab]);

   postMessage({ event: "W: The size is: 0 == " + ab.byteLength,

                 status: ab.byteLength == 0, last: false });

   postMessage({ event: "W: last one!", status: true, last: true });

 }