1
var getRow = function (rowIndex) {
2
  const triangle = [];
3

4
  for (let i = 0; i <= rowIndex; i++) {
5
    const rowValue = [];
6

7
    for (let j = 0; j < i + 1; j++) {
8
      if (j === 0 || j === i) {
9
        rowValue[j] = 1;
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      } else {
11
        rowValue[j] = triangle[i - 1][j - 1] + triangle[i - 1][j];
12
      }
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    }
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    triangle.push(rowValue);
15
  }
16

17
  return triangle[rowIndex];
18
};