Function filter

filter<T, Context>(arr, cb, context?): T[]
Array filtering.
Type Parameters
- T
- Context
Parameters
- arr: readonly T[]
- cb: ((this, value, index, arr) => boolean)
  - - (this, value, index, arr): boolean
    - Parameters
      this: Context
      value: T
      index: number
      arr: readonly T[]
      Returns boolean
- Optional context: Context
Returns T[]
Must be an array.