Window
The Window interface represents a window containing a DOM document; the document property points to the DOM document loaded in that window.
Properties
The cookieStore read-only property of the Window interface returns a reference to the CookieStore object for the current document context.
The Window.frameElement property returns the element (such as iframe or object) in which the window is embedded.
The read-only innerHeight property of the including the height of the horizontal scroll bar, if present.
The read-only Window property innerWidth returns the interior width of the window in pixels (that is, the width of the window's layout viewport).
Returns the locationbar object.
The Window.name property gets/sets the name of the window's browsing context.
Available only in secure contexts.
Available only in secure contexts.
Available only in secure contexts.
Available only in secure contexts.
The originAgentCluster read-only property of the Window interface returns true if this window belongs to an origin-keyed agent cluster: this means that the operating system has provided dedicated resources (for example an operating system process) to this window's origin that are not shared with windows from other origins.
The Window.outerHeight read-only property returns the height in pixels of the whole browser window, including any sidebar, window chrome, and window-resizing borders/handles.
Window.outerWidth read-only property returns the width of the outside of the browser window.
The Window.parent property is a reference to the parent of the current window or subframe.
Returns the personalbar object.
The Window.screenLeft read-only property returns the horizontal distance, in CSS pixels, from the left border of the user's browser viewport to the left side of the screen.
Returns the scrollbars object.
Returns a reference to the topmost window in the window hierarchy.
Functions
The getSelection() method of the Window interface returns the Selection object associated with the window's document, representing the range of text selected by the user or the current position of the caret.
The open() method of the Window interface loads a specified resource into a new or existing browsing context (that is, a tab, a window, or an iframe) under a specified name.
The window.postMessage() method safely enables cross-origin communication between Window objects; e.g., between a page and a pop-up that it spawned, or between a page and an iframe embedded within it.