val log_s : Core_kernel.Sexp.t ‑> unitOutput a Sexp.t value to the console, e.g. via the message extensions:
     log_s [%message "An example" (of_using:Ppx_message.t)]val any_of_sexp : Core_kernel.Sexp.t ‑> Js_of_ocaml.Js.Unsafe.anyConvert a sexp expression into a JavaScript object. This can be used to output OCaml values to the console.