In special cases. It's not nearly as reliable. There are a lot of ways to get poor performance out of such JIT compilers, and writing performant code for them i

In special cases. It's not nearly as reliable. There are a lot of ways to get poor performance out of such JIT compilers, and writing performant code for them is a bit of a black art that varies from version to version. Just read a little about the "fun" people have had with V8 over the years.