1 files changed, 3 insertions, 0 deletions
diff --git a/runtime/js/30_os.js b/runtime/js/30_os.js
index 74af82124..1d700b561 100644
--- a/runtime/js/30_os.js
+++ b/runtime/js/30_os.js
@@ -24,6 +24,9 @@
   }
 
   function exit(code = 0) {
+    // Invokes the `unload` hooks before exiting
+    // ref: https://github.com/denoland/deno/issues/3603
+    window.dispatchEvent(new Event("unload"));
     core.jsonOpSync("op_exit", { code });
     throw new Error("Code not reachable");
   }