Function find

find<T, Context>(arr, cb, context?): T
数组项查找
Type Parameters
- T
- Context
Parameters
- arr: readonly T[]
- cb: ((this, value, index?, arr?) => boolean)
  - - (this, value, index?, arr?): boolean
    - Parameters
      this: Context
      value: T
      Optional index: number
      Optional arr: readonly T[]
      Returns boolean
- Optional context: Context
Returns T