In general, Kotlin is 5-10x faster than JS and uses 1/2 the memory. The speed difference depends on what you're doing, but I would guess it's rare to find situ

In general, Kotlin is 5-10x faster than JS and uses 1/2 the memory. The speed difference depends on what you're doing, but I would guess it's rare to find situations where Kotlin is less than twice as fast