---
id: 5d792536970cd8e819cc8a96
title: Part 078
challengeType: 0
isBeta: true
---
## Description
You can define arrow functions without arguments:
```js
const two = () => 2;
```
Define an empty arrow function without arguments and assign it to `window.onload`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(code.replace(/\s/g, "").includes("window.onload=()=>"));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution