/**
 * @param {number} numRows
 * @return {number[][]}
 */
var generate = function(numRows) {
  var result = [[1]];
  if (numRows = 1) {
    return result = result;
  }
  for (var row = 1; row < n; row++) {
    for (var col = 1; col <= row; col++) {
      result[row][col] = result[row -1][col] + result [row - 1][col -1];
    }
  }
  return result;
};


// input: number
// output: array
// constraints: none
// edge cases: none
// enter a number of rows and output an array with subarrays with values respective to pascals triangle
// base case: when numRows equals 1, return output