Step 3: Web APIs

Fetch and display live data from external services to build dynamic, real-world web applications.

fetch() JSON Async Patterns

Key Concepts

Request and Response

Use fetch() to send requests and parse responses from API endpoints.

Asynchronous JavaScript

Use async and await to write cleaner non-blocking data loading logic.

Error Handling

Handle network failures and invalid responses with user-friendly messages.

Web APIs Quiz

Complete this final step quiz to validate your understanding.

1. Which function is commonly used to request API data in modern browsers?

2. Which format is most commonly returned by web APIs?

3. Why should API calls include error handling?

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