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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<title>Test for BroadcastChannel - message after close</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script>
SimpleTest.waitForExplicitFinish();
let a = new BroadcastChannel('a');
let b = new BroadcastChannel('a');
let count = 0;
a.onmessage = function() {
++count;
a.close();
setTimeout(() => {
is(count, 1, "Only 1 message received");
SimpleTest.finish();
}, 0);
}
for (let i = 0; i < 100; ++i) {
b.postMessage(42);
}
</script>
</body>
</html>