Working with data in d3, reference error : d3 not defined

I am getting an error :

Uncaught ReferenceError: d3 is not defined

for my code


<body>
<script>
  const dataset = [12, 31, 22, 17, 25, 18, 29, 14, 9];

  // Add your code below this line
d3.select('body').selectAll('h2')
  .data(dataset)
  .enter()
  .append('h2')
  .text('New Title');


  // Add your code above this line
</script>
</body>

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.117 Safari/537.36.

Challenge: Work with Data in D3

Link to the challenge:
https://www.freecodecamp.org/learn/data-visualization/data-visualization-with-d3/work-with-data-in-d3

Welcome @riteshrs !

I am seeing the same issue. There is also an issue with other challenges requiring dependencies (React, Redux) seem to also being having errors. Thanks for posting here, I added D3 to the github issue.