16 lines
449 B
HTML
16 lines
449 B
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Test page for always sending a message to its opener through postMessage</title>
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</head>
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<body>
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<script>
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window.onload = () => {
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// The target origin is coming from the query string.
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let targetOrigin = window.location.search.substring(1);
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window.opener.postMessage("Message", targetOrigin);
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};
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</script>
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</body>
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</html>
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