michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 'use strict';
michael@0: 
michael@0: let xhr = new XMLHttpRequest();
michael@0: xhr.open("GET", "data:text/plain,ok", true);
michael@0: xhr.onload = function () {
michael@0:   postMessage(xhr.responseText);
michael@0: };
michael@0: xhr.send(null);