---
id: 5d8a4cfbe6b6180ed9a1ca70
title: Step 144
challengeType: 0
dashedName: step-144
---
# --description--
Add a `mouseover` event to the `tumblr-circles` and `instagram-circles` in the same way that you did for the `twitter-circles`.
After that, you will be able hover any of the circles or year labels to get the information for that year.
# --hints--
test-text
```js
assert.equal(
code.match(
/\.on\('mouseover', d => drawDashboard\(d\.year\)\)/g
)?.length, 3
);
```
# --seed--
## --before-user-code--
```html
D3 Dashboard
```
## --seed-contents--
```html
```
# --solutions--
```html
```