JavaScript Fetch API

What is the Fetch API?

The Fetch API allows JavaScript to request data from a server.

It is used to communicate with APIs and retrieve data.

Response and JSON

The response must be converted to JSON before using it.

Using Async/Await

Async/await makes code easier to read and write.

Handling Errors

Fetching Multiple Items

POST Request

You can send data to a server using a POST request.

Full Example

Why Fetch API is Important

• Connect frontend to backend
• Retrieve API data
• Used in real applications

Common Mistakes

• Forgetting await response.json()
• Not handling errors
• Not converting data to JSON in POST

Practice

Fetch data from an API and print the result using async/await.

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