mirror of
https://github.com/LadybirdBrowser/ladybird.git
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28 lines
819 B
HTML
28 lines
819 B
HTML
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<!doctype html>
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<script src="../include.js"></script>
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<script>
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asyncTest(done => {
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function onFirst(e) {
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const port = (e.data && e.data.port) || (e.ports && e.ports[0]);
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if (!port) return;
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println("first receipt: re-transferring same port");
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window.removeEventListener("message", onFirst);
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window.addEventListener("message", onSecond);
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window.postMessage({ port }, "*", [port]);
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}
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function onSecond(e) {
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println("we good");
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done();
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}
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window.addEventListener("message", onFirst);
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const { port1, port2 } = new MessageChannel();
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port1.onmessage = e => println("main saw: " + e.data);
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window.postMessage({ port: port2 }, "*", [port2]);
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});
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</script>
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