Function greatestIndex

greatestIndex(iterable): number | undefined
Returns the index of the greatest element of the specified iterable according to the specified comparator or accessor. If the given iterable contains no comparable elements (i.e., the comparator returns NaN when comparing each element to itself), returns -1. If comparator is not specified, it defaults to ascending.
Parameters
- iterable: Iterable<unknown>
Returns number | undefined
greatestIndex<T>(iterable, comparator): number | undefined
Returns the index of the greatest element of the specified iterable according to the specified comparator or accessor. If the given iterable contains no comparable elements (i.e., the comparator returns NaN when comparing each element to itself), returns -1. If comparator is not specified, it defaults to ascending.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- comparator: ((a, b) => number)
  - - (a, b): number
    - Parameters
      a: T
      b: T
      Returns number
Returns number | undefined
greatestIndex<T>(iterable, accessor): number | undefined
Returns the index of the greatest element of the specified iterable according to the specified comparator or accessor. If the given iterable contains no comparable elements (i.e., the comparator returns NaN when comparing each element to itself), returns -1. If comparator is not specified, it defaults to ascending.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- accessor: ((a) => unknown)
  - - (a): unknown
    - Parameters
      a: T
      Returns unknown
Returns number | undefined