Fetching data from an API is an essential skill for every React developer. Whether you're building a small project or a large-scale application, understanding how to retrieve and display dynamic data is crucial. In this post, we’ll explore how to fetch data in React using simple examples.
Why Fetch Data from an API?
APIs (Application Programming Interfaces) allow applications to communicate with external services or databases. Fetching data from an APIenables your app to display real-time information, such as user profiles, weather updates, or product lists.
Step-by-Step Guide to Fetching Data in React.js
1. Setting Up the Component
Create a functional component where you’ll fetch and display data.
Explanation:
useState: Manages the state of the fetched data.
useEffect: Runs the fetch operation when the component is mounted.
fetch API: Retrieves data from the provided URL.
2. Adding Error Handling
Error handling ensures your application works smoothly, even if something goes wrong.
Why Use Error Handling?
Displays friendly error messages to users.
Prevents application crashes.
3. Displaying Data Dynamically
Use React’s state and map function to display API data dynamically. Each item fetched is rendered as an <li> element.
Resources:
- DummyJSON Documentation
- Users Data : JSONPlaceholder API
How do you use JavaScript Fetch API to get data?
Check out this link: How do you use JavaScript Fetch API to get data?
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