---
id: 587d7fa9367417b2b2512bcf
title: Dynamically Change the Height of Each Bar
required:
- src: 'https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js'
challengeType: 6
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
```yml
tests:
- text: ''
testString: 'assert($("rect").eq(0).attr("height") == "36", "The first rect
should have a height
of 36.");'
- text: ''
testString: 'assert($("rect").eq(1).attr("height") == "93", "The second rect
should have a height
of 93.");'
- text: ''
testString: 'assert($("rect").eq(2).attr("height") == "66", "The third rect
should have a height
of 66.");'
- text: ''
testString: 'assert($("rect").eq(3).attr("height") == "51", "The fourth rect
should have a height
of 51.");'
- text: ''
testString: 'assert($("rect").eq(4).attr("height") == "75", "The fifth rect
should have a height
of 75.");'
- text: يجب أن يكون rect
السادس height
54.
testString: 'assert($("rect").eq(5).attr("height") == "54", "The sixth rect
should have a height
of 54.");'
- text: يجب أن يكون rect
السابع height
87.
testString: 'assert($("rect").eq(6).attr("height") == "87", "The seventh rect
should have a height
of 87.");'
- text: يجب أن يكون rect
الثامن height
42.
testString: 'assert($("rect").eq(7).attr("height") == "42", "The eighth rect
should have a height
of 42.");'
- text: يجب أن يكون rect
التاسع height
27.
testString: 'assert($("rect").eq(8).attr("height") == "27", "The ninth rect
should have a height
of 27.");'
```
## Challenge Seed
## Solution
```js
// solution required
```