The DOM inspector view in Firefox predates Firebug by years. My memory might be a bit shaky, but it may even have existed in Mozilla Web Browser? It really loo

The DOM inspector view in Firefox predates Firebug by years. My memory might be a bit shaky, but it may even have existed in Mozilla Web Browser? It really looked like a 'DOM tree/tree of Javascript classes' though, not really like the inspector we have today.