---
id: 5d8a4cfbe6b6180ed9a1c9f5
title: Part 24
challengeType: 0
dashedName: part-24
---
# --description--
Create a new `const` named `xScale`. Use it to create another linear scale like you did for the y-scale. This will be the horizontal or "x" axis.
# --hints--
test-text
```js
assert(
typeof xScale === 'function' && /xScale\s*=\s*d3\.scaleLinear/.test(code)
);
```
# --seed--
## --before-user-code--
```html
D3 Dashboard
```
## --seed-contents--
```html
```
# --solutions--
```html
```