The same feature is there from the inspector in Chrome, but as you say not in (newish) DevTools in Firefox.
Before DevTools, it was there in Firebug (screenshot), but the issue to port it across has been open for 3 years.
The same feature is there from the inspector in Chrome, but as you say not in (newish) DevTools in Firefox.
Before DevTools, it was there in Firebug (screenshot), but the issue to port it across has been open for 3 years.