18 lines
258 B
HTML
18 lines
258 B
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="UTF-8">
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</head>
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<body>
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Receiving iframe.
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<script>
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window.addEventListener('message', function(event) {
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alert(`Received ${event.data} from ${event.origin}`);
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});
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</script>
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</body>
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</html>
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