---
id: 587d7fa6367417b2b2512bc2
title: Add Document Elements with D3
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($("body").children("h1").length == 1, "The <code>body</code> should have one <code>h1</code> element.");'
  - text: ''
    testString: 'assert($("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>
