Good guess! The initial intention was to use iframes. And so zero js needed. But iframes can't do * Deletion (e.g complete a todo list item) * Tail end appen

Good guess! The initial intention was to use iframes. And so zero js needed. But iframes can't do * Deletion (e.g complete a todo list item) * Tail end append (e.g lazy loading infinite scroll list) So i pivoted to js...