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recursion.js
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36 lines (31 loc) · 719 Bytes
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// Complete the following functions.
const nFibonacci = (n) => {
// fibonacci sequence: 1 1 2 3 5 8 13 ...
// return the nth number in the sequence
if(n <= 2) {
return 1;
} else {
return (n - 1) + (n - 2);
}
};
console.log(nFibonacci(8));
const nFactorial = (n) => {
// factorial example: !5 = 5 * 4 * 3 * 2 * 1
// return the factorial of `n`
if (n === 0) {
return 1;
}
return n * nFactorial(n - 1);
};
console.log(nFactorial(5));
/* Extra Credit */
const checkMatchingLeaves = (obj) => {
// return true if every property on `obj` is the same
// otherwise return false
};
/* eslint-enable no-unused-vars */
module.exports = {
nFibonacci,
nFactorial,
checkMatchingLeaves,
};