17 lines
426 B
HTML
17 lines
426 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Testcase for bug 643706 of Mozilla</title>
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<script>
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function boom() {
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const iframe = document.querySelector("iframe");
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const win = iframe.contentWindow;
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win.document.designMode = 'on';
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iframe.style.content = "'m'";
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win.document.removeChild(win.document.documentElement)
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}
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</script>
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</head>
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<body onload="boom();"><iframe srcdoc=""></iframe></body>
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</html>
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