LeetCode: Two Sum II - Input array is sorted Solution

1var twoSum = function (numbers, target) {
2  const n = numbers.length
3  let lo = 0
4  let hi = n - 1
5
6  while (true) {
7    const sum = numbers[lo] + numbers[hi]
8
9    if (sum === target) {
10      return [lo + 1, hi + 1]
11    } else if (sum < target) {
12      lo++
13    } else if (sum > target) {
14      hi--
15    }
16  }
17}