freeCodeCamp/curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/use-the-d3.max-and-d3.min-f...

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---
id: 587d7fac367417b2b2512bdc
title: Use the d3.max and d3.min Functions to Find Minimum and Maximum Values in a Dataset
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>