Yes, it does. Only emulators at very early stages doesn't have a JIT.
You can see this on PCSX2 Config-Emulation Settings. For each processor there's an option for Interpreter and Recompiler (the same as JIT).
You can see this on PCSX2 Config-Emulation Settings. For each processor there's an option for Interpreter and Recompiler (the same as JIT).

