mirror of
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22 lines
709 B
HTML
22 lines
709 B
HTML
<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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<html>
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<body>
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<button id=post>post!</button>
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</body>
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<script>
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window.addEventListener("message", event => {
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console.log("Document message", event, event.data, event.source !== window && event.source === window.parent);
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});
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window.addEventListener("click", event => {
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if (event.target.id === "post") {
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console.log("click!")
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window.parent.postMessage("ping!", "*");
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}
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});
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console.log(window.parent === window)
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</script>
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</html>
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