88 bookmarks. First posted by giovapanasiti september 2018.
If you work with a frontend sometimes, the chances are that you’ve seen the error above before. When it had happened to you for the first time, like any proper developer does, you googled it. As a result, you have probably seen some advice on StackOverflow to include Access-Control-Allow-Origin in your server’s response and then, you can happily return to your code. Surprisingly, this is the end of the experience with Cross-Origin Resource Sharing (CORS) for many developers. They know how to fix the problem, but they don’t always understand why the problem exists in the first place. In this article, we will dive deeper into this topic, trying to understand what problem CORS really solves. However, we will start with the Same-Origin Policy (SOP) concept.cors programming security web
october 2018 by danesparza