freeCodeCamp/curriculum/challenges/arabic/04-data-visualization/data-visualization-with-d3/add-document-elements-with-...

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---
id: 587d7fa6367417b2b2512bc2
title: Add Document Elements with D3
challengeType: 6
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
<section id='tests'>
```yml
tests:
- text: ''
testString: 'assert($("body").children("h1").length == 1, "The <code>body</code> should have one <code>h1</code> element.");'
- text: ''
testString: 'assert($("h1").text() == "Learning D3", "The <code>h1</code> element should have the text "Learning D3" in it.");'
- text: ''
testString: 'assert(code.match(/d3/g), "Your code should access the <code>d3</code> object.");'
- text: يجب أن تستخدم شفرتك طريقة <code>select</code> .
testString: 'assert(code.match(/\.select/g), "Your code should use the <code>select</code> method.");'
- text: يجب أن تستخدم التعليمات البرمجية الخاصة بك أسلوب <code>append</code> .
testString: 'assert(code.match(/\.append/g), "Your code should use the <code>append</code> method.");'
- text: يجب أن تستخدم الشفرة طريقة <code>text</code> .
testString: 'assert(code.match(/\.text/g), "Your code should use the <code>text</code> method.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='html-seed'>
```html
<body>
<script>
// Add your code below this line
// Add your code above this line
</script>
</body>
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>