---
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
```yml
tests:
- text: ''
testString: 'assert($("body").children("h1").length == 1, "The body should have one h1 element.");'
- text: ''
testString: 'assert($("h1").text() == "Learning D3", "The h1 element should have the text "Learning D3" in it.");'
- text: ''
testString: 'assert(code.match(/d3/g), "Your code should access the d3 object.");'
- text: يجب أن تستخدم شفرتك طريقة select .
testString: 'assert(code.match(/\.select/g), "Your code should use the select method.");'
- text: يجب أن تستخدم التعليمات البرمجية الخاصة بك أسلوب append .
testString: 'assert(code.match(/\.append/g), "Your code should use the append method.");'
- text: يجب أن تستخدم الشفرة طريقة text .
testString: 'assert(code.match(/\.text/g), "Your code should use the text method.");'
```
## Challenge Seed
## Solution
```js
// solution required
```