How to Fix undefined Results When Fetching Data from an API in JavaScript

Struggling with undefined results in your API fetch requests? Learn how to resolve this common issue using async/await and a clearer approach to handling API calls.
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How to Fix undefined Results When Fetching Data from an API in JavaScript

Understanding the Problem

[[See Video to Reveal this Text or Code Snippet]]

The Solution: Use Async/Await Consistently

To address the issue effectively, we can simplify our code by using the async/await syntax consistently and avoiding the mix of .then() with await. Here is a restructured version of the original code, demonstrating the correct approach:

[[See Video to Reveal this Text or Code Snippet]]

Key Changes Made:

Removed the Mixed Syntax: Eliminated the mixing of .then() with async/await, which can lead to confusion and unwanted undefined results.

Direct Assignments: Instead of immediately trying to log result, we work directly with getDataResponses to ensure that we handle the responses immediately and correctly.

Conclusion

When dealing with APIs in JavaScript, particularly with multiple calls and complex chaining, it’s essential to maintain clarity in your promises and ensure that you’re using consistent syntax (like async/await). This not only helps prevent resulting in undefined, but also enhances the readability and maintainability of your code.

If you follow the restructuring illustrated above, you should see a more reliable outcome and your API data fetching operations will function as intended. Happy coding!