---
id: 5d79253555aa652afbb68086
title: Part 54
challengeType: 0
isHidden: true
---
## Description
Define a function `rangeFromString` in `evalFormula` which takes `n1` and `n2` as arguments and returns `n1`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(/evalFormula.*constrangeFromString=\(n1,n2\)=>n1/.test(code.replace(/\s/g, "")));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution