The browser could be seen as a special case, as it's the most public API around. So classes are in many cases simply for namespacing and modularisation. Inter

The browser could be seen as a special case, as it's the most public API around. So classes are in many cases simply for namespacing and modularisation. Interestingly, the HTML spec for DOMParser has a note about exactly your comment: https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html#domparser https://html.spec.whatwg.org/multipage/dynamic-markup-insert... (scroll up 2 lines)