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<!DOCTYPE html>
<title>Priority Hints - iFrame element</title>
<meta name="author" title="Patrick Meenan" href="mailto:patmeenan@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id=iframe1 src="/common/blank.html" fetchpriority=high></iframe>
<iframe id=iframe2 src="/common/blank.html" fetchpriority=low></iframe>
<iframe id=iframe3 src="/common/blank.html" fetchpriority=auto></iframe>
<iframe id=iframe4 src="/common/blank.html" fetchpriority=xyz></iframe>
<iframe id=iframe5 src="/common/blank.html"></iframe>
<script>
test(() => {
assert_equals(iframe1.fetchPriority, "high", "high fetchPriority is a valid IDL value on the script element");
assert_equals(iframe2.fetchPriority, "low", "low fetchPriority is a valid IDL value on the script element");
assert_equals(iframe3.fetchPriority, "auto", "auto fetchPriority is a valid IDL value on the script element");
assert_equals(iframe4.fetchPriority, "auto", "invalid fetchPriority reflects as 'auto' IDL attribute on the script element");
assert_equals(iframe5.fetchPriority, "auto", "missing fetchPriority reflects as 'auto' IDL attribute on the script element");
}, "fetchpriority attribute on <iframe> elements should reflect valid IDL values");
test(() => {
const iframe = document.createElement("iframe");
assert_equals(iframe.fetchPriority, "auto");
}, "default fetchpriority attribute on <iframe> elements should be 'auto'");
</script>
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