---
id: 5ddb965c65d27e1512d44da9
title: Part 16
challengeType: 0
---
## Description
Now let's simplify the function by refactoring it to use arrow functions. As an example, `function(x) {return x*x}` can be refactored as`x => x*x`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert( code.replace(/\s/g, '').match(/meal\=\>Number\(meal\.value\)/) );
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html