Tutorial by Topics: origin

Browser security prevents a web page from making AJAX requests to another domain. This restriction is called the same-origin policy, and prevents a malicious site from reading sensitive data from another site. However, sometimes you might want to let other sites make cross-origin requests to your ...

Cross-origin resource sharing is designed to allow dynamic requests between domains, often using techniques such as AJAX. While the scripting does most of the work, the HTTP server must support the request using the correct headers.

Same-Origin policy is used by web browsers to prevent scripts to be able to access remote content if the remote address has not the same origin of the script. This prevents malicious scripts from performing requests to other websites to obtain sensitive data. The origin of two addresses is consider...