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21 lines
789 B
HTML
21 lines
789 B
HTML
<!doctype html>
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<!--
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@license
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Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<script src="../../../src/ShadowDOM/ShadowDOM.js"></script>
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<script>
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window.addEventListener('beforeunload', function(e) {
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e.returnValue = 'OK';
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}, false);
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</script>
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<p>Reload this page and you should see a dialog saying "OK".
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