Blitz - WPT: attr-script-fetchpriority.optional.html

wpt / svg / scripted / attr-script-fetchpriority.optional.html

Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)

Subtest	Status	Message
fetchpriority attribute on SVG <script> elements should reflect valid IDL values	FAIL	assert_equals: high fetchPriority is a valid IDL value on the script element expected (string) "high" but got (undefined) undefined
default fetchpriority attribute on SVG <script> elements should be 'auto'	FAIL	assert_equals: expected (string) "auto" but got (undefined) undefined

Enable JavaScript in test iframe

/svg/scripted/attr-script-fetchpriority.optional.html

<!DOCTYPE html>
<title>Fetch Priority - SVG Script element</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<svg>
<script id=script1 href="resources/script.js" fetchpriority="high"></script>
<script id=script2 href="resources/script.js" fetchpriority="low"></script>
<script id=script3 href="resources/script.js" fetchpriority="auto"></script>
<script id=script4 href="resources/script.js" fetchpriority="xyz"></script>
<script id=script5 href="resources/script.js"></script>
</svg>

<script>
  test(() => {
    assert_equals(script1.fetchPriority, "high", "high fetchPriority is a valid IDL value on the script element");
    assert_equals(script2.fetchPriority, "low", "low fetchPriority is a valid IDL value on the script element");
    assert_equals(script3.fetchPriority, "auto", "auto fetchPriority is a valid IDL value on the script element");
    assert_equals(script4.fetchPriority, "auto", "invalid fetchPriority reflects as 'auto' IDL attribute on the script element");
    assert_equals(script5.fetchPriority, "auto", "missing fetchPriority reflects as 'auto' IDL attribute on the script element");
  }, "fetchpriority attribute on SVG <script> elements should reflect valid IDL values");

  test(() => {
    const script = document.createElementNS("http://www.w3.org/2000/svg", "script");
    assert_equals(script.fetchPriority, "auto");
  }, "default fetchpriority attribute on SVG <script> elements should be 'auto'");
</script>