#pragma once
#include 
class HTMLElement : public Element {
public:
    HTMLElement(Document&, const String& tag_name);
    virtual ~HTMLElement() override;
    String title() const { return attribute("title"); }
private:
    virtual bool is_html_element() const final { return true; }
};
template<>
inline bool is(const Node& node)
{
    return node.is_html_element();
}