Flattens array a single level deep.
array
5.4.0
flatMap,flatMapDeep,flatMapDepth,flattenDeep,flattenDepth
flatten([1, [2, [3, [4]], 5]])// => [1, 2, [3, [4]], 5]
Returns the new flattened array.
Flattens
array
a single level deep.5.4.0
flatMap,flatMapDeep,flatMapDepth,flattenDeep,flattenDepth