iframe-scrolling-attribute.html

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This WPT test may be referenced by the following Test IDs:
- /html/rendering/non-replaced-elements/the-page/iframe-scrolling-attribute.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>iframe: changing the scrolling attribute</title>

<link rel="author" href="mailto:masonf@chromium.org">

<link rel="help" href="https://html.spec.whatwg.org/multipage/rendering.html#the-page">

<link rel="match" href="iframe-scrolling-attribute-ref.html">

<style>

    iframe {

        width: 100px;

        height: 100px;

</style>

<p>These two iframes should *both* render with scrollbars:</p>

<iframe src="support/big-page.html" scrolling="unknown"></iframe>

<iframe src="support/big-page.html" scrolling="unknown"></iframe>

<script>

  var iframe = document.getElementsByTagName("iframe")[1];

  // Setting scrolling=no and then back to scrolling=unknown

  // should result in a final value of auto.

  iframe.setAttribute("scrolling", "no");

  iframe.setAttribute("scrolling", "unknown");

</script>