List.Alternate

Syntax

List.Alternate(
    list as list,
    count as number,
    optional repeatInterval as nullable number,
    optional offset as nullable number
) as list

About

Returns a list comprised of all the odd numbered offset elements in a list. Alternates between taking and skipping values from the list list depending on the parameters.

• count: Specifies number of values that are skipped each time.
• repeatInterval: An optional repeat interval to indicate how many values are added in between the skipped values.
• offset: An option offset parameter to begin skipping the values at the initial offset.

Example 1

Create a list from {1..10} that skips the first number.

Usage

List.Alternate({1..10}, 1)

Output

{2, 3, 4, 5, 6, 7, 8, 9, 10}

Example 2

Create a list from {1..10} that skips every other number.

Usage

List.Alternate({1..10}, 1, 1)

Output

{2, 4, 6, 8, 10}

Example 3

Create a list from {1..10} that starts at 1 and skips every other number.

Usage

List.Alternate({1..10}, 1, 1, 1)

Output

{1, 3, 5, 7, 9}

Example 4

Create a list from {1..10} that starts at 1, skips one value, keeps two values, and so on.

Usage

List.Alternate({1..10}, 1, 2, 1)

Output

{1, 3, 4, 6, 7, 9, 10}