Earlier quoted context omitted.
Both CL and Elisp are arguably more functional than Javascript in several key ways - Immutable data by convention, First-class function from the start (js added this later), powerful higher-order function are more idiomatic, lexical closures, FP culture that goes back decades. JS has caught up in some aspects - arrow functions, array methods, const, libs like Rambda. I think, Lisp in general is very flexible - you ca…
I object to the claim that a Lisp-2 has first-class functions.
What? Functions can be passed as arguments? Check! Returned from functions? Check! Stored in variables? Check! Lisp-2 just means functions and vars live in separate namespaces, that's all. In every other aspect they are first-class.