This repo contains my solutions (and refactored solutions) to Free Code Camp's advanced algorithm scripting challenges.  You can access the challenge descriptions and test case by following the link from my FCC profile (https://www.freecodecamp.com/dandrust):

Validate US Telephone Numbers

Symmetric Difference

Exact Change

Inventory Update

No repeats please

Friendly Date Ranges

Make a Person

Map the Debris

Pairwise