uniqueByfunction uniqueBy<T>(array: readonly T[], equalFn: (a: T, b: T) => boolean): T[];§uniqueBy<T>(array: readonly T[], equalFn: (a: T, b: T) => boolean): T[][src]§Type Parameters§T[src]§Parameters§array: readonly T[][src]§equalFn: (a: T, b: T) => boolean[src]§Return Type§T[][src]