tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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popover-active-document.html (671B)


      1 <!DOCTYPE html>
      2 <meta charset="utf-8">
      3 <link rel="author" href="mailto:masonf@chromium.org">
      4 <link rel=help href="https://github.com/whatwg/html/pull/10705">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 
      8 <script>
      9  test(() => {
     10    const doc = document.implementation.createHTMLDocument();
     11    const popover = doc.createElement('div');
     12    popover.setAttribute('popover','');
     13    doc.body.appendChild(popover);
     14    assert_throws_dom('InvalidStateError',() => popover.showPopover());
     15    assert_false(popover.matches(':popover-open'));
     16  },'showPopover should throw when the document isn\'t active');
     17 </script>