testing/web-platform/tests/speculation-rules/prerender/script-supports-speculationrules.html


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<!DOCTYPE html>
<html>
<title>HTMLScriptElement.supports speculationrules</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(function() {
  assert_true(HTMLScriptElement.supports('speculationrules'));
}, 'HTMLScriptElement.supports returns true for \'speculationrules\'');

test(function() {
  assert_false(HTMLScriptElement.supports(' speculationrules'));
  assert_false(HTMLScriptElement.supports('speculationrules '));
  assert_false(HTMLScriptElement.supports('Speculationrules'));
  assert_false(HTMLScriptElement.supports('SpeculationRules'));
  assert_false(HTMLScriptElement.supports('speculationRules'));
  assert_false(HTMLScriptElement.supports('speculation-rules'));
}, 'HTMLScriptElement.supports returns false for unsupported types');

</script>