---
id: 5d792536e33baeaa60129e0a
title: Part 079
challengeType: 0
isBeta: true
---
## Description
In `window.onload`, assign `document.getElementById("container")` to `container`. Also assign `charRange("A", "J")` to `letters`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(/window\.onload=\(\)=>\{constcontainer=document\.getElementById\(["']container["']\);?constletters=charRange\(["']A["'],["']J["']\);?\}/.test(code.replace(/\s/g, "")));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution