fix(runtime): fix recursive dispatches of unload event (#9207)

1 files changed, 5 insertions, 0 deletions

diff --git a/cli/tests/078_unload_on_exit.ts b/cli/tests/078_unload_on_exit.ts
index e8288ef31..43d33eb25 100644
--- a/cli/tests/078_unload_on_exit.ts
+++ b/cli/tests/078_unload_on_exit.ts
@@ -1,4 +1,9 @@
 window.onunload = () => {
   console.log("onunload is called");
+  // This second exit call doesn't trigger unload event,
+  // and therefore actually stops the process.
+  Deno.exit(1);
+  console.log("This doesn't show up in console");
 };
+// This exit call triggers the above unload event handler.
 Deno.exit(0);