From 7a527c9e09d5b1db71e1b9de32f8230832c1d224 Mon Sep 17 00:00:00 2001
From: Luke Cartey <lcartey@github.com>
Date: Fri, 18 Aug 2023 13:58:50 +0100
Subject: [PATCH] Introduce new functionality

---
 test.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test.js b/test.js
index 942fea9..2303fe2 100644
--- a/test.js
+++ b/test.js
@@ -1,3 +1,7 @@
 function hello_world() {
   alert("Hello world")
 }
+
+this.addEventListener('message', function(event) {
+    document.write(event.data); // NOT OK
+})