20 lines
604 B
HTML
20 lines
604 B
HTML
<!DOCTYPE html>
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<html>
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<body>
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<script src="../../resources/js-test-pre.js"></script>
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<script>
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description("Tests that the value returned from a beforeunload event handler gets converted to a string, even if the returnValue property was already set.");
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jsTestIsAsync = true;
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const iframe = document.createElement("iframe");
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iframe.onload = function() {
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iframe.onload = null;
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iframe.contentWindow.runTest();
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};
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iframe.src = "resources/before-unload-return-string-conversion-frame.html";
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document.body.appendChild(iframe);
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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