mirror of
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26 lines
843 B
HTML
26 lines
843 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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const div = document.createElement("div");
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const shadowRoot = div.attachShadow({ mode: "closed" });
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const iframe = document.createElement("iframe");
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window.addEventListener("message", (messageEvent) => {
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println(`Received a message: '${messageEvent.data}'`);
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println(`Was it from the shadow root iframe? ${messageEvent.source === iframe.contentWindow}`);
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done();
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});
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iframe.srcdoc = `
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\u003cscript\u003e
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window.parent.postMessage("Hello from iframe in the shadow root of the just inserted div!");
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\u003c/script\u003e
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`;
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shadowRoot.appendChild(iframe);
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document.body.appendChild(div);
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});
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</script>
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