How do I handle CORS issues with the Fetch API in JavaScript?

How do I handle CORS issues with the Fetch API in JavaScript?

CORS, or Cross-Origin Resource Sharing, is a security feature that restricts web pages from making requests to a different domain than the one that served the web page. To handle CORS issues with the Fetch API, you can either configure the server to allow cross-origin requests or use a proxy server.

What if I don't have access to the server configuration?

If you don't have access to the server configuration, you can use a proxy server to make the request on your behalf. This way, your frontend code can communicate with the proxy, which then communicates with the target server.

Can you give me an example of using a proxy with Fetch?

Sure! You can use a service like CORS Anywhere. Here's an example:

fetch('https://cors-anywhere.herokuapp.com/https://example.com/api')
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));