---
id: 5d79253352e33dd59ec2f6de
title: Step 8
challengeType: 0
dashedName: step-8
---
# --description--
Add the key `+` to `infixToFunction` and assign it the value `addVar`.
# --hints--
See description above for instructions.
```js
assert(infixToFunction['+'].toString() === addVar.toString());
```
# --seed--
## --before-user-code--
```html
Spreadsheet
```
## --after-user-code--
```html
```
## --seed-contents--
```html
```
# --solutions--
```html
```