1 files changed, 5 insertions, 0 deletions
diff --git a/js/event_target_test.ts b/js/event_target_test.ts
index c1c9bb1f4..71c872dab 100644
--- a/js/event_target_test.ts
+++ b/js/event_target_test.ts
@@ -87,3 +87,8 @@ test(function constructedEventTargetUseObjectPrototype() {
   target.dispatchEvent(event);
   assertEquals(callCount, 2);
 });
+
+test(function toStringShouldBeWebCompatibility() {
+  const target = new EventTarget();
+  assertEquals(target.toString(), "[object EventTarget]");
+});