I\'ve been trying to achieve the goal of having a unique (not shared) cookie jar per WebView in macOS (cookies management works different for iOS).
After reading a lot o
The problem is there are no JS level cookie isolation. document.cookie still point to the shared cookie jar. To implement a true cookie isolated webview, you must override the cookie property of document.
You may try my implementation: http://cyyuen.github.io/ADCookieIsolatedWebView
It works for the site using document.cookie to get the cookie such as Dropbox.com. However, the setter is not implemented.