20 lines
340 B
HTML
20 lines
340 B
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<h1>webview page</h1>
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<script>
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window.addEventListener('beforeunload', event => {
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event.returnValue = 'test'
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})
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</script>
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</body>
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</html>
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