Function leastIndex

leastIndex(iterable): number | undefined
Returns the index of the least element of the specified iterable according to the specified comparator.
Parameters
- iterable: Iterable<unknown>
Returns number | undefined
leastIndex<T>(iterable, comparator): number | undefined
Returns the index of the least element of the specified iterable according to the specified comparator.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- comparator: ((a, b) => number)
  - - (a, b): number
    - Parameters
      a: T
      b: T
      Returns number
Returns number | undefined
leastIndex<T>(iterable, accessor): number | undefined
Returns the index of the least element of the specified iterable according to the specified accessor.
Type Parameters
- T
Parameters
- iterable: Iterable<T>
- accessor: ((a) => unknown)
  - - (a): unknown
    - Parameters
      a: T
      Returns unknown
Returns number | undefined