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* Guide to the Data Visualization with D3 Work with Data in D3 * Guide to data visualization with d3 work with data in d3 * Delete index.md
59 lines
3.2 KiB
Markdown
59 lines
3.2 KiB
Markdown
---
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title: Work with Data in D3
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---
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 Remember to use <a>**`Read-Search-Ask`**</a> if you get stuck. Try to pair program  and write your own code 
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### Problem Explanation:
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We need to make `h2` element as much as the number of values in `dataset` with a text `New Title`, using the `data()`, `enter()` functions.
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##  Hint: 1
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* You will need to select the `body` node, then select all `h2` elements.
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> _try to solve the problem now_
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##  Hint: 2
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* You will need to D3 create and append an h2tag using `append()` for each item in the datasetarray using `data()` and `enter()`.
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> _try to solve the problem now_
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##  Hint: 3
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* The text in the `h2` should say `New Title` by `text()` function.
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> _try to solve the problem now_
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## Spoiler Alert!
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**Solution ahead!**
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##  Basic Code Solution:
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```javascript
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<body>
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<script>
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const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];
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// Add your code below this line
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d3.select("body").selectAll("h2")
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.data(dataset)
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.enter()
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.append("h2")
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.text("New Title");
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// Add your code above this line
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</script>
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</body>
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```
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##  NOTES FOR CONTRIBUTIONS:
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*  **DO NOT** add solutions that are similar to any existing solutions. If you think it is **_similar but better_**, then try to merge (or replace) the existing similar solution.
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* Add an explanation of your solution.
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* Categorize the solution in one of the following categories <20> **Basic**, **Intermediate** and **Advanced**. 
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* Please add your username only if you have added any **relevant main contents**. ( **_DO NOT_** _remove any existing usernames_)
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> See  <a href='http://forum.freecodecamp.com/t/algorithm-article-template/14272' target='_blank' rel='nofollow'>**`Wiki Challenge Solution Template`**</a> for reference.
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