---
id: 561add10cb82ac39a17513bc
title: Legacy Data Visualization Certificate
challengeType: 7
isPrivate: true
videoUrl: ''
localeTitle: 旧数据可视化证书
---

## Description
<section id="description">
</section>

## Instructions
<section id="instructions">
</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''
  - text: ''
    testString: !<tag:yaml.org,2002:js/undefined> ''

```

</section>

## Challenge Seed
<section id='challengeSeed'>

</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>