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<!DOCTYPE html>
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<html>
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<head>
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<title>while(true)</title>
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<script>
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</script>
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<style>
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</style>
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</head>
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<body>
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Try to go back to the initial page.
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<script>
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const start = Date.now();
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setTimeout(function() {
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while (Date.now() - start < 3000);
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}, 500);
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</script>
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</body>
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</html>
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