Chrome has had that for at least 2 years now. Sure, Firefox has some additions, but how is Firefox doing some breakthrough?<p><a href="https:&#x2F;&#x2F;developer.chrome.com&#x2F;devtools&#x2F;docs&#x2F;javascript-memory-profiling" rel="nofollow">https:&#x2F;&#x2F;developer.chrome.com&#x2F;devtools&#x2F;docs&#x2F;javascript-memory...</a>