onbjerg · September 9, 2015 15:47
diff --git a/factorial.clj b/factorial.clj
 (defn factorial [n]
  (if (= n 1)
    n
    (* n (factorial (dec n))))

 (print (factorial 7))
diff --git a/factorial.js b/factorial.js
 function f(n) {
  var j = 1;
  for(var i = n; i > 0; i--) {
    j *= i
  }

  return j
 }

 console.log(f(7)) // 5040
diff --git a/factorial.rb b/factorial.rb
 def factorial(n)
  return n if n == 1
  n * factorial(n - 1)
 end

 puts factorial(7)