From 2d87d5dab91f4e58811e2b910f4c1f8e496bd46a Mon Sep 17 00:00:00 2001
From: davidot <david.tuin@gmail.com>
Date: Sun, 13 Jun 2021 18:09:59 +0200
Subject: [PATCH] LibJS: Make Array.prototype.at return undefined on empty slot

---
 Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp b/Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp
index 8dbc154a38..91f61a1d7c 100644
--- a/Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp
@@ -1486,7 +1486,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayPrototype::at)
     }
     if (index.has_overflow() || index.value() >= length)
         return js_undefined();
-    return this_object->get(index.value());
+    return this_object->get(index.value()).value_or(js_undefined());
 }
 
 }