---
id: 5d792534257122211d3043af
title: Part 24
challengeType: 0
---
# --description--
Define an object `spreadsheetFunctions`, with a single key - an empty string (`""`). The corresponding value should be the function `x => x`.
# --hints--
See description above for instructions.
```js
assert(spreadsheetFunctions['']('x') === 'x');
```
# --seed--
## --before-user-code--
```html
Spreadsheet
```
## --after-user-code--
```html
```
## --seed-contents--
```html
```
# --solutions--
```html
```