insertAllAt

insertAllAt(array, index, values)

Inserts all elements from values at the specified index in array, returning a new array with the inserted elements. Supports iterables for the values parameter.

data-first

insertAllAt([1, 2, 3], 1, [10, 20]); // [1, 10, 20, 2, 3]

data-last

pipe([1, 2, 3], insertAllAt(1, [10, 20])); // [1, 10, 20, 2, 3]