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---
id: 5d792532b07918c3a5904913
2020-08-25 02:19:45 -07:00
title: Part 5
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challengeType: 0
---
## Description
<section id='description'>
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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:
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```js
function(x) {
return x
}
```
First, remove the `addVar` definition.
</section>
## Instructions
<section id='instructions'>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: See description above for instructions.
testString: assert(!code.replace(/\s/g, "").includes("constaddVar=add"));
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='html-seed'>
```html
<script>
function add(x, y) {
return x + y;
}
const addVar = add;
const infixToFunction = {};
</script>
```
</div>
### Before Test
<div id='html-setup'>
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Spreadsheet</title>
<style>
#container {
display: grid;
grid-template-columns: 50px repeat(10, 200px);
grid-template-rows: repeat(11, 30px);
}
.label {
background-color: lightgray;
text-align: center;
vertical-align: middle;
line-height: 30px;
}
</style>
</head>
<body>
<div id="container">
<div></div>
</div>
```
</div>
### After Test
<div id='html-teardown'>
```html
</body>
</html>
```
</div>
</section>
## Solution
<section id='solution'>
```html
<script>
function add(x, y) {
return x + y;
}
const infixToFunction = {};
</script>
```
</section>
