Container With Most Water Javascript

var maxArea = function(height) {
  let leftIndex = 0;
  let rightIndex = height.length - 1;
  let result = 0;

  while (leftIndex < rightIndex) {
    if (height[leftIndex] < height[rightIndex]) {
      result = Math.max(height[leftIndex] * (rightIndex - leftIndex), result);
      leftIndex += 1;
    } else {
      result = Math.max(height[rightIndex] * (rightIndex - leftIndex), result);
      rightIndex -= 1;
    }
  }

  return result;
};