---
id: 587d7fac367417b2b2512bdc
title: Use the d3.max and d3.min Functions to Find Minimum and Maximum Values in a Dataset
required:
  - src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
challengeType: 6
videoUrl: ''
localeTitle: ''
---

## Description
undefined

## Instructions
undefined

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: 'assert(output == 8 && $("h2").text() == "8", "The text in the <code>h2</code> should be 8.");'
  - text: ''
    testString: 'assert(code.match(/\.max/g), "Your code should use the <code>max()</code> method.")'

```

</section>

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

<div id='html-seed'>

```html
<body>
  <script>
    const positionData = [[1, 7, -4],[6, 3, 8],[2, 8, 3]]
    // Add your code below this line

    const output = undefined; // Change this line

    // Add your code above this line

    d3.select("body")
      .append("h2")
      .text(output)
  </script>
</body>

```

</div>



</section>

## Solution
<section id='solution'>

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