---
id: 5d792538e2a8d20cc580d481
title: Part 115
challengeType: 0
isBeta: true
---
## Description
The `slice` method can also work on arrays.
Add a method `firsttwo` to `spreadsheetFunctions` which takes `arr` as argument and uses `slice` to return the first two elements of `arr`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(JSON.stringify(spreadsheetFunctions.firsttwo([2, 6, 1, 4, 3])) === "[2,6]");
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution