The dynamic part of lisp and its clos (from smalltalk), smalltalk, objective c (from smalltalk?), and javascript (from scheme abd its object prototype heritage)

The dynamic part of lisp and its clos (from smalltalk), smalltalk, objective c (from smalltalk?), and javascript (from scheme abd its object prototype heritage) is the interesting one. The system can be modified whilst running … like a mainframe that cannot shut down but its code can be changed in-flight (strange to say that as it is cics etc role). That is better than cobol, Java …