xdash API Reference / flatMap
Function: flatMap()
flatMap<
T,U>(arr,fn):U[]
Defined in: src/array.ts:237
Flattens an array of arrays.
Type Parameters
T
T
U
U
Parameters
arr
T[]
array to flatten
fn
(x) => U[]
callback to flatten the array
Returns
U[]
the flattened array
Example
ts
flat([[1, 2], [3, 4]], x => x) // returns [1, 2, 3, 4]