Cookies, document.cookieCookies are small strings of data that are stored directly in the browser. They are a part of the HTTP protocol, defined by the RFC 6265 specification. Cookies are usually set by a web server using the response Set-Cookie HTTP header. Then, the browser automatically adds them to (almost) every request to the same domain using the Cookie HTTP header. One of the most widespread use cases is authenti
The Modern JavaScript Tutorial
