Chrome sends the request directly and checks the response for Access-Control-Allow-Origin .
: The server allows domain-c.com , but your request is coming from localhost:3000 . cors chrome
fetch('https://api.example.net/data', mode: 'cors', headers: 'Content-Type': 'application/json' Chrome sends the request directly and checks the
CORS (Cross-Origin Resource Sharing) is a fundamental security mechanism that often feels like a hurdle for web developers using Google Chrome . Whether you are building a modern single-page application or integrating third-party APIs, understanding how Chrome handles these requests is essential for creating secure and functional software. What is CORS? cors chrome
Chrome separates requests into two types: