addon-sdk/source/examples/toolbar-api/data/index.html

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1 <!-- This Source Code Form is subject to the terms of the Mozilla Public
2 - License, v. 2.0. If a copy of the MPL was not distributed with this
3 - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
4
5 <html>
6 <body>
7 <button id=post>post!</button>
8 </body>
9 <script>
10 window.addEventListener("message", event => {
11 console.log("Document message", event, event.data, event.source !== window && event.source === window.parent);
12 });
13 window.addEventListener("click", event => {
14 if (event.target.id === "post") {
15 console.log("click!")
16 window.parent.postMessage("ping!", "*");
17 }
18 });
19 console.log(window.parent === window)
20 </script>
21 </html>

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