Content - b548518784174e216856f93503c5d6bf06f3687a - 1ecf6ef/page-visibility/unload-1.html

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Tip revision: 88aea18be3e13ecfe9c14568cf8795abd54ada08 authored by Joe Downing on 11 April 2018, 01:49:46 UTC
[KeyboardLock] Updating API to reject the first promise if lock is called twice

Tip revision: 88aea18

unload-1.html

<!doctype html>
<html>
<head><title>Document</title></head>
<body>
<h1>Document</h1>
<script>
onload = function() {
  document.addEventListener("visibilitychange", onVisibilityChange, false);
  opener.postMessage("close", "*");
}

function onVisibilityChange() {
  opener.postMessage(document.visibilityState, "*");
}
</script>
</body>
</html>

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