Question library
Questions from real interviews. Drill any of them by voice in a couple of minutes, with an interviewer, a score and feedback.
What is CORS, and why does the browser block a request to an API on a different domain?JuniorA request from the frontend fails with a CORS error, but the same request works from Postman. Explain what's going on and how to fix it.Mid-levelWhere do you store auth tokens in the browser, and why? How are CSRF and CORS related to that choice?Senior