From 7a1a91d7f254e2245a3c641e84debc330db37384 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Thu, 1 Jul 2021 01:21:46 +0300
Subject: [PATCH] LibJS: Check for DataView in ArrayBuffer.isView()

---
 Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp b/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp
index 4689174065..b046a05387 100644
--- a/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp
+++ b/Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp
@@ -6,6 +6,7 @@
 
 #include <LibJS/Runtime/ArrayBuffer.h>
 #include <LibJS/Runtime/ArrayBufferConstructor.h>
+#include <LibJS/Runtime/DataView.h>
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/TypedArray.h>
@@ -70,7 +71,8 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayBufferConstructor::is_view)
         return Value(false);
     if (arg.as_object().is_typed_array())
         return Value(true);
-    // FIXME: Check for DataView as well
+    if (is<DataView>(arg.as_object()))
+        return Value(true);
     return Value(false);
 }