iframe-loading-lazy-in-script-disabled-iframe.html

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/the-iframe-element/iframe-loading-lazy-in-script-disabled-iframe.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

<title>Iframes with loading='lazy' in script disabled iframe are not handled

       as 'lazy'</title>

<link rel="help" href="https://github.com/scott-little/lazyload">

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

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

</head>

<div style="height:1000vh;"></div>

<iframe id="iframe" sandbox="allow-same-origin"

        src="resources/iframe-loading-lazy-in-viewport.html">

</iframe>

<script>

promise_test(async t => {

  await new Promise(resolve => iframe.addEventListener("load", resolve));

  const inner_iframe = iframe.contentDocument.querySelector("iframe");

  assert_equals(inner_iframe.contentDocument.body.textContent.trim(), 'Subframe',

              "lazy-load iframe shouldn't be honored in script disabled iframe");

});

</script>