diff --git a/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
index e7289b765cb..75bf9e8083c 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
@@ -146,8 +146,18 @@ void HTMLElement::set_inner_text(StringView text)
     set_needs_style_update(true);
 }
 
-String HTMLElement::inner_text()
+// https://html.spec.whatwg.org/multipage/dom.html#the-innertext-idl-attribute:dom-outertext-2
+WebIDL::ExceptionOr<void> HTMLElement::set_outer_text(String)
 {
+    dbgln("FIXME: Implement HTMLElement::set_outer_text()");
+    return {};
+}
+
+// https://html.spec.whatwg.org/multipage/dom.html#get-the-text-steps
+String HTMLElement::get_the_text_steps()
+{
+    // FIXME: Implement this according to spec.
+
     StringBuilder builder;
 
     // innerText for element being rendered takes visibility into account, so force a layout and then walk the layout tree.
@@ -169,6 +179,20 @@ String HTMLElement::inner_text()
     return MUST(builder.to_string());
 }
 
+// https://html.spec.whatwg.org/multipage/dom.html#dom-innertext
+String HTMLElement::inner_text()
+{
+    // The innerText and outerText getter steps are to return the result of running get the text steps with this.
+    return get_the_text_steps();
+}
+
+// https://html.spec.whatwg.org/multipage/dom.html#dom-outertext
+String HTMLElement::outer_text()
+{
+    // The innerText and outerText getter steps are to return the result of running get the text steps with this.
+    return get_the_text_steps();
+}
+
 // https://www.w3.org/TR/cssom-view-1/#dom-htmlelement-offsetparent
 JS::GCPtr<DOM::Element> HTMLElement::offset_parent() const
 {
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLElement.h b/Userland/Libraries/LibWeb/HTML/HTMLElement.h
index cfc800eb24e..e56c2020700 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLElement.h
+++ b/Userland/Libraries/LibWeb/HTML/HTMLElement.h
@@ -42,6 +42,9 @@ public:
     String inner_text();
     void set_inner_text(StringView);
 
+    [[nodiscard]] String outer_text();
+    WebIDL::ExceptionOr<void> set_outer_text(String);
+
     int offset_top() const;
     int offset_left() const;
     int offset_width() const;
@@ -87,6 +90,8 @@ private:
     virtual JS::GCPtr<DOM::EventTarget> global_event_handlers_to_event_target(FlyString const&) override { return *this; }
     virtual void did_receive_focus() override;
 
+    [[nodiscard]] String get_the_text_steps();
+
     JS::GCPtr<DOMStringMap> m_dataset;
 
     enum class ContentEditableState {
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLElement.idl
index 7fa441c14f5..73545f3cb59 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLElement.idl
+++ b/Userland/Libraries/LibWeb/HTML/HTMLElement.idl
@@ -26,7 +26,7 @@ interface HTMLElement : Element {
     // FIXME: [CEReactions] attribute DOMString autocapitalize;
 
     [LegacyNullToEmptyString, CEReactions] attribute DOMString innerText;
-    // FIXME: [LegacyNullToEmptyString, CEReactions] attribute DOMString outerText;
+    [LegacyNullToEmptyString, CEReactions] attribute DOMString outerText;
 
     // FIXME: ElementInternals attachInternals();