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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<script>
function isCurrentWinnerWindow() {
// If we are the current inner window for our BrowsingContext, bare word
// access to `name` will return "". If we are not, it will throw.
// Note that this is *not* the same as accessing `window.name`, which
// will go through our WindowProxy, which will always forward it to the
// currently-active inner window.
try {
void name;
return true;
} catch (e) {
return false;
}
}
</script>
</head>
<body>
</body>
</html>