---
id: 5d792535a40ea5ac549d6804
title: Part 51
challengeType: 0
---
# --description--
Chain `map` onto `range(start.charCodeAt(0), end.charCodeAt(0))`, with `x => x` as the argument.
# --hints--
See description above for instructions.
```js
assert(
code
.replace(/\s/g, '')
.includes('range(start.charCodeAt(0),end.charCodeAt(0)).map(x=>x)')
);
```
# --seed--
## --before-user-code--
```html
Spreadsheet
```
## --after-user-code--
```html
```
## --seed-contents--
```html
```
# --solutions--
```html
```