---
id: 5ddb965c65d27e1512d44dc8
title: Part 49
challengeType: 0
---
## Description
You can also add styling with the `setAttribute()` method. This method takes two arguments: the name of the attribute and the value that the attribute should be.
For example, if you want to set the `width` of an `input` element to 100px, you would write `input.setAttribute('width', '100px')`.
Set the `class` attribute of the `output` element equal to a class named `bordered-class`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert( code.replace(/\s/g, '').match(/output\.setAttribute\([\'\"\`]class[\'\"\`]\,[\'\"\`]bordered-class[\'\"\`]\)/) );
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html