navigation-api/currententrychange-event/anchor-click.html

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<a id="a" href="#foo"></a>
<script>
test(t => {
  let oncurrententrychange_called = false;
  navigation.oncurrententrychange = t.step_func(e => {
    oncurrententrychange_called = true;
    assert_equals(e.from, navigation.entries()[0]);
    assert_equals(e.from.index, 0);
    assert_equals(e.navigationType, "push");
    assert_equals(navigation.currentEntry.index, 1);
  });
  a.click();
  assert_true(oncurrententrychange_called);
}, "currententrychange fires for link click");
</script>