---
id: 5d792532b07918c3a5904913
title: Part 5
challengeType: 0
isHidden: true
---
## Description
Anonymous functions are functions without names - they are used only once and then forgotten. The syntax is the same as for normal functions but without the name:
```js
function(x) {
return x
}
```
First, remove the `addVar` definition.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(!code.replace(/\s/g, "").includes("constaddVar=add"));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution