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1module.exports = {
2 floorCount: function(input) {
3 var floor = 0;
4
5 input.split('').forEach((movement) => {
6 if (movement === '(') floor++;
7 if (movement === ')') floor--;
8 });
9
10 return floor;
11 },
12 entersBasementAt: function(input) {
13 var floor = 0,
14 basementAt = null;
15
16 input.split('').forEach((movement, idx) => {
17 if (movement === '(') floor++;
18 if (movement === ')') floor--;
19 if (!basementAt && floor === -1) {
20 basementAt = idx + 1;
21 }
22 });
23
24 return basementAt;
25 }
26};