JSFiddle - React, Tailwind, and code Playground

HTML

<div id="part1">

</div>
<div id="part2">

</div>

JavaScript

/**
 * Created by jbush_000 on 12/3/2015.
 */
var dirMap = {
  "^": {
    x: 0,
    y: 1
  },
  ">": {
    x: 1,
    y: 0
  },
  "v": {
    x: 0,
    y: -1
  },
  "<": {
    x: -1,
    y: 0
  }
};

function PartOne() {
  var santaVisits = [];
  currentLocationSanta = {
    x: 0,
    y: 0,
    visits: 1
  };
  santaVisits.push(currentLocationSanta);
  getVals().split("").forEach(function (visit) {
    var direction = dirMap[visit];

    var newLocx = currentLocationSanta.x + direction.x;
    var newLocy = currentLocationSanta.y + direction.y;

    var visitedAlready = santaVisits.filter(function (a) {
      return a.x == newLocx && a.y == newLocy
    })[0];
    if (visitedAlready) {
      visitedAlready.visits++;
      currentLocationSanta = visitedAlready;
    } else {
      santaVisits.push({
        x: newLocx,
        y: newLocy,
        visits: 1
      });
      currentLocationSanta = {
        x: newLocx,
        y: newLocy,
        visits: 1
      }
    }
  });
  document.getElementById('part1').innerHTML = "Part 1: Santa delivered at least one present to " + santaVisits.length + " homes";

}

function PartTwo() {
  var santaVisits = [];
  currentLocationSanta = {
    x: 0,
    y: 0,
    visits: 1
  };
  currentLocationRobo = {
    x: 0,
    y: 0,
    visits: 1
  };
  santaVisits.push(currentLocationSanta);
  getVals().split("").forEach(function (visit, i) {
    var direction = dirMap[visit];
    if (i % 2 == 0) {
      var newLocx = currentLocationSanta.x + direction.x;
      var newLocy = currentLocationSanta.y + direction.y;

      var visitedAlready = santaVisits.filter(function (a) {
        return a.x == newLocx && a.y == newLocy
      })[0];
      if (visitedAlready) {
        visitedAlready.visits++;
        currentLocationSanta = visitedAlready;
      } else {
        santaVisits.push({
          x: newLocx,
          y: newLocy,
          visits: 1
        });
        currentLocationSanta = {
          x: newLocx,
          y: newLocy,
         ...