iframe-modify-scrolling-attr-to-yes.html

<!DOCTYPE html>
<title>modify iframe scrolling attr to yes</title>
<link rel="author" title="Jinfeng Ma" href="mailto:[email protected]">
<link rel="help" href="https://www.w3.org/TR/html401/present/frames.html#adef-scrolling">
<link rel="match" href="iframe-modify-scrolling-attr-to-yes-ref.html">

<p>Test passes if you can see the scrollbars of the iframe displayed below.</p>
<iframe src="support/iframe-which-content-height-equals-400px.html" scrolling="no" width="200px" height="100px">
</iframe>

<script>
    let iframe = document.querySelector("iframe");
    iframe.onload = function () {
        iframe.scrolling = 'yes';
    };
</script>

chromium/third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/the-iframe-element/iframe-modify-scrolling-attr-to-yes.html