about-srcdoc.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/browsers/origin/inheritance/about-srcdoc.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

  <head>

    <title>about:srcdoc aliases security origin</title>

    <script src="/resources/testharness.js"></script>

    <script src="/resources/testharnessreport.js"></script>

  </head>

  <body>

    <script>

      test(() => {

        let iframe = document.createElement('iframe');

        iframe.srcdoc = '<body></body>';

        document.body.appendChild(iframe);

        // Should not throw: srcdoc should always be same-origin.

        iframe.contentWindow.document.body.innerHTML = '<p>Hello world!</p>';

        // Explicitly set `domain` component of origin: any other same-origin

        // browsing contexts are now cross-origin unless they also explicitly

        // set document.domain to the same value.

        document.domain = document.domain;

        // Should not throw: the origin should be aliased, so setting

        // document.domain in one Document should affect both Documents.

        assert_equals(

            iframe.contentWindow.document.body.textContent,

            'Hello world!');

});

    </script>

  </body>

</html>