LibWeb: Don't allocate DOMStringMap in HTMLElement constructor

Allocations go in initialize().

1 files changed, 6 insertions, 1 deletions

diff --git a/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
index 05111ab5ef..587fbfd6ea 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLElement.cpp
@@ -30,13 +30,18 @@ namespace Web::HTML {
 
 HTMLElement::HTMLElement(DOM::Document& document, DOM::QualifiedName qualified_name)
     : Element(document, move(qualified_name))
-    , m_dataset(DOMStringMap::create(*this))
 {
     set_prototype(&window().cached_web_prototype("HTMLElement"));
 }
 
 HTMLElement::~HTMLElement() = default;
 
+void HTMLElement::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    m_dataset = DOMStringMap::create(*this);
+}
+
 void HTMLElement::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);