diff --git a/Userland/Libraries/LibWeb/DOM/Document.cpp b/Userland/Libraries/LibWeb/DOM/Document.cpp
index f47bca16cb..6689fa5f43 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Document.cpp
@@ -1147,4 +1147,10 @@ NonnullRefPtr<DOMImplementation> Document::implementation() const
     return *m_implementation;
 }
 
+bool Document::has_focus() const
+{
+    // FIXME: Return whether we actually have focus.
+    return true;
+}
+
 }
diff --git a/Userland/Libraries/LibWeb/DOM/Document.h b/Userland/Libraries/LibWeb/DOM/Document.h
index d8277447d2..371b204e39 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.h
+++ b/Userland/Libraries/LibWeb/DOM/Document.h
@@ -304,6 +304,8 @@ public:
     void evaluate_media_queries_and_report_changes();
     void add_media_query_list(NonnullRefPtr<CSS::MediaQueryList>&);
 
+    bool has_focus() const;
+
 private:
     explicit Document(const AK::URL&);
 
diff --git a/Userland/Libraries/LibWeb/DOM/Document.idl b/Userland/Libraries/LibWeb/DOM/Document.idl
index 275a75941f..63ca8d0ff7 100644
--- a/Userland/Libraries/LibWeb/DOM/Document.idl
+++ b/Userland/Libraries/LibWeb/DOM/Document.idl
@@ -2,6 +2,8 @@ interface Document : Node {
 
     constructor();
 
+    boolean hasFocus();
+
     // FIXME: These attributes currently don't do anything.
     [PutForwards=href, LegacyUnforgeable] readonly attribute Location? location;