---
id: 5d709664066dac7142a6d7a0
title: Part 78
challengeType: 0
---
## Description
Players should not be able to sell their only weapon. Inside the `sellWeapon` function, add an `if` statement with a condition that checks if the length of the `inventory` array is greater than one.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(sellWeapon.toString().match(/if\s*\(\s*inventory\.length\s*\>\s*1\s*\)\s*\{\s*\}/));
```
## Challenge Seed
```html
```
### Before Test
```html
RPG - Dragon Repeller
XP: 0Health: 100Gold: 50
Monster Name: Health:
Welcome to Dragon Repeller. You must defeat the dragon that is preventing people from leaving the town. You are in the town square. Where do you want to go? Use the buttons above.