testing/web-platform/tests/speculation-rules/prerender/resources/workers-in-cross-origin-iframe.html


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<!DOCTYPE html>
<title>Construction of Web Workers is deferred</title>
<script src="utils.js"></script>
<body>
<script type="module">

const bc = new PrerenderChannel('test-channel');
const worker = new Worker('worker-post-timeOrigin.js');
worker.onerror = e => bc.postMessage('Fail');
await new Promise(resolve => worker.onmessage = resolve);
bc.postMessage('Success');

</script>
</body>
</html>