rl path can be different.

The localStorage is shared between all windows with the

<a href='#' onclick="store.set('foo','bar')">set key: foo, with value: bar</a><br/>
<a href='#' onclick="alert(store.get('foo'))">get key: foo</a><br/>
<a href='#' onclick="store.del('foo')">delete key: foo</a>

a session identifier for them and store it in a cryptographically signed cookie. If you're using a web framework, look up “how to create a user session using cookies” and follow that guide.

Make sure that whatever cookie library your web framework uses is setting the httpOnly cookie flag. This flag makes it imposs