---
id: 5d7925346b911fce161febaf
title: Part 39
challengeType: 0
isHidden: true
---
## Description
Now define an empty function `range` which takes `start` and `end` as arguments (define it in the global scope).
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(code.replace(/\s/g, "").includes("constrange=(start,end)=>"));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution