JSFiddle - React, Tailwind, and code Playground

by Jacques Vincilione

JavaScript

function fibonacci(num, memo) {
  memo = memo || {};

  if (memo[num]) return memo[num];
  if (num <= 1) return 1;

  console.log(memo[num] = fibonacci(num - 1, memo) + fibonacci(num - 2, memo));
}

fibonacci(1280);