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39 of 44🌐 ReactJS – Fetch API
📌 What is API?
How to Fetch Data from an API?
API stands for Application Programming Interface. It acts as a software intermediary that allows two applications to communicate. APIs provide an accessible way to extract and share data within and across organizations.
According to Wikipedia: In computer programming, an API is a set of subroutine definitions, protocols, and tools for building software and applications.
📌 What is an API?
- API stands for Application Programming Interface
- It allows two applications to talk to each other
- Helps to extract and share data across organizations
- It is a set of subroutine definitions, protocols, and tools for building software
⚙️ What is fetch() Function?
- The
fetch()method is used to request data from a server - It can call any API that returns JSON or XML
- It requires a single parameter – the API URL
- It returns a Promise that resolves with the response data
🧑💻 Example: Fetch Data in React
Below is an example of using fetch() inside a React component.
It fetches posts from https://jsonplaceholder.typicode.com/posts and displays their titles.
React Playground
export default function App() { return ( <div> <h1>Hello React!</h1> </div> ); }
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