if javascript interpreter does “JIT compilation”, does it cache results of it for use on the same script next time I load the website?

Question

to make it more specific, I mostly care about SpiderMonkey interpreter in Firefox.

So suppose I want to speed up the loading of a particular website in my browser or els

Answer 1

This is not an optimization Gecko does yet, but it's one we're looking into doing for sure. There are some complications to doing it, unfortunately.