Comment by greggman3

There are certainly lots of situations where one browser beats another

For example in this microbenchmark, Chrome is 10x slower than both FF and Safari at one method.

https://jsbenchit.org/?src=cfcb916dd03df45952183e6484a14344

Here's another where in one case Firefox is 54x faster than Chrome

https://jsbenchit.org/?src=beb26575ad78caa99a2a8c45ce2b780f