JSFiddle - React, Tailwind, and code Playground

by smacky311

JavaScript

var memoizer = function(memo, formula) {
     var recur = function(n) {
       var result = memo[n];
         if(typeof result !== 'number') {
             result = formula(recur, n);
             memo[n] = result;   
         }
         return result;
     };
    return recur;
};