JavaScript – window.self Property
The window.self property returns the current window.
The Window sessionStorage object lets you store key/value pairs in the browser.
The Window setInterval() method calls a function at specified intervals (in milliseconds).
The Window setTimeout() method calls a function after a number of milliseconds.
The window.stop() method stops a window from loading, and is the same as clicking stop in the browser.
The window.top property returns the topmost window in the current browser window.