Fixes #3512 (#3526)

* Fixes #3512

* Fix `clearTimeout` and `clearInterval` not cancelling jobs same-tick

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/test/js/web/timers/setTimeout-unref-fixture.js b/test/js/web/timers/setTimeout-unref-fixture.js
new file mode 100644
index 000000000..97a0f78a2
--- /dev/null
+++ b/test/js/web/timers/setTimeout-unref-fixture.js
@@ -0,0 +1,12 @@
+const timer = setTimeout(() => {}, 999_999_999);
+if (timer.unref() !== timer) throw new Error("Expected timer.unref() === timer");
+
+var ranCount = 0;
+const going2Refresh = setTimeout(() => {
+  if (ranCount < 1) going2Refresh.refresh();
+  ranCount++;
+
+  if (ranCount === 2) {
+    console.log("SUCCESS");
+  }
+}, 1);