JavaScript APIs and JSON: Fetching and Manipulating Web Data

Learn how to request data from web APIs, parse complex JSON structures, and dynamically update web page content using modern asynchronous JavaScript.

4.8 (744) ⏱ 1h 58m 📚 4 lessons 🎧 Audio version

About this course

In modern web development, static pages are no longer enough. To build interactive web applications, you must know how to connect to external servers, retrieve data, and display it dynamically. This course guides you through the process of working with JavaScript APIs, AJAX, and JSON. You will learn how to read and write JavaScript objects and arrays, fetch data from public APIs, and update your web pages in real-time without reloading. What you'll learn: - Understand the foundational concepts of JSON, JavaScript objects, and nested arrays. - Fetch data from external web APIs using modern asynchronous JavaScript, including Promises and Async/Await. - Parse and manipulate complex JSON data structures to extract the exact information you need. - Update web page elements dynamically using modern DOM manipulation techniques. - Handle API errors and network failures gracefully to ensure a smooth user experience. - Apply these concepts to integrate real-world API data into your web projects. You will start with the fundamental terminology of objects and arrays before moving on to asynchronous requests, modern Fetch API patterns, and practical DOM updates. The written explanations and step-by-step code analysis ensure you grasp both the theory and the practical application. This course is designed for beginner web developers who have a basic understanding of HTML, CSS, and elementary JavaScript, with no prior experience in APIs or asynchronous programming required. Start reading today to unlock the power of dynamic web data and take your JavaScript skills to the next level.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 30-day refund
    No questions asked
  • Short & focused
    1h 58m of practical content

Reviews (2)

علي بن أحمد بن راشد آل ثاني QA
★ 5 · 2025-04-14T18:30:54+00:00

This course exceeded my expectations. The real-world applications discussed are incredibly useful. Great job!

Aisha Munirah binti Mohd Nasir MY Verified learner
★ 2 · 2025-01-07T11:37:54+00:00

Pretty informative. I liked the practical application examples, though the initial setup took longer than I expected.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe, or with cryptocurrency. We do not store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 30 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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