Understanding Data Attributes in HTML & JavaScript

Are you confused about what data-* attributes are in HTML, how to use them, and why they’re so popular in frontend interviews?
These questions are very common in frontend development — and in this video, we’ll break them down clearly and simply.

In this video, you’ll learn:

✅ What are data-* attributes in HTML
✅ Why we use data-* instead of id or class for custom data
✅ How to access data-* attributes in JavaScript using dataset
✅ Real-world use cases like buttons, and user metadata
✅ Best practices for using data attributes in frontend development

📌 This is Episode 4 of the HTML Interview Series from Fullstack Diaries — your go-to place for frontend interview prep, code breakdowns, and career growth tips.

👨‍💻 Whether you’re a beginner, a self-taught dev, or switching to a frontend role — this series is made for you.

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