The Tor Browser / file revision

 /**

  * Any copyright is dedicated to the Public Domain.

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

  */

 const importURL = "relativeLoad_import.js";

 onmessage = function(event) {

   var xhr = new XMLHttpRequest();

   xhr.open("GET", "testXHR.txt", false);

   xhr.send(null);

   if (xhr.status != 200 ||

       xhr.responseText != "A noisy noise annoys an oyster.") {

     throw "Couldn't get xhr text from where we wanted it!";

   }

   importScripts(importURL);

   var worker = new Worker("relativeLoad_worker2.js");

   worker.onerror = function(event) {

     throw event.message;

   };

   worker.onmessage = function(event) {

     if (event.data != workerURL) {

       throw "Bad data!";

     }

     postMessage(workerURL);

   }

 };