10 lines
356 B
TypeScript
10 lines
356 B
TypeScript
// Copyright 2022 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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window.addEventListener('beforeunload', function(event) {
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// Since leaving the page discards the accumulated logs, show a confirmation
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// dialog when the user attempts to leave.
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event.returnValue = '';
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});
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