CLR vs JIT

Question

What is the difference between the JIT compiler and CLR? If you compile your code to il and CLR runs that code then what is the JIT doing? How has JIT compilation changed wi

Answer 1

I know the thread is pretty old, but I thought I might put in the picture that made me understand JIT. It's from the excellent book CLR via C# by Jeffrey Ritcher. In the picture, the metadata he is talking about is the metadata emitted in the assembly header where all information about types in the assembly is stored: