CastWindow is casting a js.JSValue into Window.

CookieEnabled eturns a Boolean value that indicates whether cookies are enabled or not.

Language returns a string representing the preferred language of the user, usually the language of the browser UI.

allows you to access a Storage object for the Document's origin; the stored data is saved across browser sessions.

OnLine Returns the online status of the browser.

History returning attribute 'history' with type htmlmisc.History (idl: History).

accesses a session Storage object for the current origin.

UserAgent returns the user agent string for the current browser.

GetWindow returning attribute 'window' with type Window (idl: Window).

The DOM Window object provides access to the browser's session history (not to be confused for WebExtensions history) through the history object.

https://developer.mozilla.org/fr/docs/Web/API/Web_Storage_API.

Window https://developer.mozilla.org/en-US/docs/Web/API/Window.