16 lines
174 B
HTML
16 lines
174 B
HTML
<html>
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<head>
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<title>A popup!</title>
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</head>
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<body>
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<h1>hi!</h1>
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<script>
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if (opener) {
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opener.postMessage("hello!", "*");
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}
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window.close();
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</script>
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</body>
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</html>
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