The A window for a given document can be obtained using the
A global variable, The In a tabbed browser, each tab is represented by its own ConstructorsSee also the DOM Interfaces. DOMParser
HTMLImageElement.Image Used for creating an HTMLOptionElement.Option Used for creating an StaticRange Experimental Read only Returns a Worker Used for creating a Web worker. XMLSerializer Converts a DOM tree into XML or HTML source. Instance propertiesThis interface inherits properties from the Note that properties which are objects (e.g., for overriding the prototype of built-in elements) are listed in a separate section below. Window.clientInformation Read only An alias for Window.closed
Read only This property indicates whether the current window is closed or not. Window.console Read only Returns a reference to the console object which provides access to the browser's debugging console. Window.customElements Read only Returns a reference to the Window.crypto Read only Returns the browser crypto object. Window.devicePixelRatio Read only Returns the ratio between physical pixels and device independent pixels in the current display. Window.document Read only Returns a reference to the document that the window contains. Window.event Deprecated Read only Returns the current event, which is the event currently being handled by the JavaScript code's context, or Window.external Deprecated Read only Returns an object with functions for adding external search providers to the browser. Window.frameElement Read only Returns the element in which the window is embedded, or null if the window is not embedded. Window.frames Read only Returns an array of the subframes in the current window. Window.fullScreen Non-standard
This property indicates whether the window is displayed in full screen or not. Window.history Read only Returns a reference to the history object. Window.innerHeight Read only Gets the height of the content area of the browser window including, if rendered, the horizontal scrollbar. Window.innerWidth Read only Gets the width of the content area of the browser window including, if rendered, the vertical scrollbar. isSecureContext Experimental Read only Returns a boolean indicating whether the current context is secure ( Window.length Read only Returns the number of frames in the window. See also Window.location Gets/sets the location, or current URL, of the window object. Window.locationbar Read only Returns the locationbar object, whose visibility can be toggled in the window. Window.localStorage
Read only Returns a reference to the local storage object used to store data that may only be accessed by the origin that created it. Returns the menubar object, whose visibility can be toggled in the window. Window.messageManager
Non-standardReturns the message manager object for this window. Window.mozInnerScreenX
Read only Non-standardReturns the horizontal (X) coordinate of the top-left corner of the window's viewport, in screen coordinates. This value is reported in CSS pixels. See Window.mozInnerScreenY Read only Non-standardReturns the vertical (Y) coordinate of the top-left corner of the window's viewport, in screen coordinates. This value is reported in CSS pixels. See Window.name Gets/sets the name of the window. Window.navigator Read only Returns a reference to the navigator object. Window.opener Returns a reference to the window that opened this current window. Window.outerHeight Read only Gets the height of the outside of the browser window. Window.outerWidth Read only Gets the width of the outside of the browser window. Window.pageXOffset Read only An alias for
Window.pageYOffset Read only An alias for Window.parent Read only Returns a reference to the parent of the current window or subframe. Window.performance Read only Returns a
Window.personalbar
Read only Returns the personalbar object, whose visibility can be toggled in the window. Window.screen Read only Returns a reference to the screen object associated with the window. Window.screenX and Window.screenLeft Read only Both properties return the horizontal distance from the left border of the user's browser viewport to the left side of the screen. Window.screenY and Window.screenTop Read only Both properties return the vertical distance from the top border of the user's browser viewport to the top side of the screen. Window.scrollbars Read only Returns the scrollbars object, whose visibility can be toggled in the window. Window.scrollMaxX Non-standard
Read only The maximum offset that the window can be scrolled to horizontally, that is the document width minus the viewport width. Window.scrollMaxY Non-standard Read only
The maximum offset that the window can be scrolled to vertically (i.e., the document height minus the viewport height). Window.scrollX Read only Returns the number of pixels that the document has already been scrolled horizontally. Window.scrollY Read only Returns the number of pixels that the document has already been scrolled vertically. Window.self Read only Returns an object reference to the window object itself. Window.sessionStorage Returns a reference to the session storage object used to store data that may only be accessed by the origin that created it. Returns a reference to the window object of the sidebar. Window.speechSynthesis Read only Returns a Window.status DeprecatedGets/sets the text in the statusbar at the bottom of the browser. Window.statusbar Read only Returns the statusbar object, whose visibility can be toggled in the window. Window.toolbar Read only Returns the toolbar object, whose visibility can be toggled in the window. Window.top
Read only Returns a reference to the topmost window in the window hierarchy. This property is read only. Window.visualViewport Read only Returns a
Window.window Read only Returns a reference to the current window. window[0] , window[1] , etc.Returns
a reference to the Instance properties implemented from elsewhere
Returns the indexedDB Read only Provides a mechanism for applications to asynchronously access capabilities of indexed databases; returns an origin Read only Returns the global object's origin, serialized as a string. Window.scheduler Read only Returns the
Deprecated properties
Returns a reference to the content element in the current window. Since Firefox 57 (initially Nightly-only), both versions are only available from chrome (privileged) code, and not available to the web anymore. Window.defaultStatus Deprecated
Gets/sets the status bar text for the given window. Window.orientation Read only DeprecatedReturns the orientation in degrees (in 90 degree increments) of the viewport relative to the device's natural orientation. Window.returnValue DeprecatedThe return value to be returned to the function that called Instance methodsThis interface inherits methods from the Window.alert() Displays an alert dialog. Window.blur() Sets focus away from the window. Window.cancelAnimationFrame()
Enables you to cancel a callback previously scheduled with Window.cancelIdleCallback() Enables you to cancel a callback previously scheduled with
Window.clearImmediate() Cancels the repeated execution set using Window.close() Closes the current window. Window.confirm() Displays a dialog with a message that the user needs to respond to. Window.dump() Non-standardWrites a message to the console. Window.find() Non-standardSearches for a given string in a window. Window.focus() Sets focus on the current window. Window.getComputedStyle() Gets computed style for the specified element. Computed style indicates the computed values of all CSS properties of the element. Window.getDefaultComputedStyle()
Non-standardGets default computed style for the specified element, ignoring author stylesheets. Window.getSelection() Returns the selection object representing the selected item(s). Window.matchMedia() Returns
a Window.moveBy() Moves the current window by a specified amount. Window.moveTo() Moves the window to the specified coordinates. Window.open() Opens a new window. Window.postMessage() Provides a secure means for one window to send a string of data to another window, which need not be within the same domain as the first. Window.print() Opens the Print Dialog to print the current document. Window.prompt() Returns the text entered by the user in a prompt dialog. Window.requestAnimationFrame() Tells the browser that an animation is in progress, requesting that the browser schedule a repaint of the window for the next animation frame. Window.requestIdleCallback() Enables the scheduling of tasks during a browser's idle periods. Window.resizeBy() Resizes the current window by a certain amount. Window.resizeTo() Dynamically resizes window. Window.scroll() Scrolls the window to a particular place in the document. Window.scrollBy() Scrolls the document in the window by the given amount. Scrolls the document by the given number of lines. Window.scrollByPages() Non-standardScrolls the current document by the specified number of pages. Window.scrollTo() Scrolls to a particular set of coordinates in the document. Window.setImmediate() Executes a function after the browser has finished other heavy tasks. Window.setResizable() Non-standardToggles a user's ability to resize a window. Window.sizeToContent() Non-standardSizes the window according to its content. Window.showOpenFilePicker()
ExperimentalShows a file picker that allows a user to select a file or multiple files. Window.showSaveFilePicker() ExperimentalShows a file picker that allows a user to save a file. Window.showDirectoryPicker() ExperimentalDisplays a directory picker which allows the user to select a directory. Window.stop()
This method stops window loading. Window.updateCommands() Non-standardUpdates the state of commands of the current chrome window (UI). Instance methods implemented from elsewhere
Register an event handler to a specific event type on the window. EventTarget.dispatchEvent() Used to trigger an event. atob() Decodes a string of data which has been encoded using base-64 encoding. btoa() Creates a base-64 encoded ASCII string from a string of binary data. clearInterval() Cancels the repeated execution set using clearTimeout() Cancels the delayed execution set using createImageBitmap() Accepts a variety of different image sources, and returns a
fetch()
Starts the process of fetching a resource from the network. EventTarget.removeEventListener() Removes an event listener from the window. setInterval() Schedules a function to execute every time a given number of milliseconds elapses. setTimeout() Schedules a function to execute in a given amount of time. reportError() Reports an error in a script, emulating an unhandled exception. Deprecated methods
Moves back one
in the window history. This method is deprecated; you should instead use Window.captureEvents() DeprecatedRegisters the window to capture all events of the specified type. Window.forward() Non-standard DeprecatedMoves the window one document forward in the history. This method is deprecated; you should instead use
Window.home() Non-standard DeprecatedReturns the browser to the home page. Window.openDialog() Non-standardOpens a new dialog window. Window.releaseEvents()
DeprecatedReleases the window from trapping events of a specific type. Window.showModalDialog() Non-standard DeprecatedDisplays a modal dialog. EventsListen to these events using error Fired when a resource failed to load, or can't be used. For example, if a script has an execution error or an image can't be found or is invalid. languagechange Fired at the global scope object when the user's preferred language changes. orientationchange DeprecatedFired when the orientation of the device has changed. devicemotion Fired at a regular interval, indicating the amount of physical force of acceleration the device is receiving and the rate of rotation, if available. deviceorientation Fired when fresh data is available from the magnetometer orientation sensor about the current orientation of the device as compared to the Earth coordinate frame. resize Fired when the window has been resized. storage
Fired when a storage area ( vrdisplayconnect Deprecated Non-standardFired when a compatible VR device has been connected to the computer. vrdisplaydisconnect Deprecated Non-standardFired when a compatible VR device has been disconnected from the computer. vrdisplayactivate Deprecated Non-standardFired when a display is able to be presented to. vrdisplaydeactivate Deprecated Non-standardFired when a display can no longer be presented to. vrdisplayblur Deprecated Non-standardFired when presentation to a display has been paused for some reason by the browser, OS, or VR hardware. vrdisplayfocus Deprecated Non-standardFired when presentation to a display has resumed after being blurred. vrdisplaypresentchange Deprecated Non-standardFired when the presenting state of a VR device changes — i.e. goes from presenting to not presenting, or vice versa. Animation events
Fired when an animation unexpectedly aborts. animationend Fired when an animation has completed normally. animationiteration Fired when an animation iteration has completed. animationstart Fired when an animation starts. Clipboard events
Fired when the user initiates a copy action through the browser's user interface. Also available via the cut Fired when the user initiates a cut action through the browser's user interface. Also available via the paste Fired when the user initiates a paste action through the browser's user interface. Also available via the Connection events
Fired when the browser has lost access to the network and the value of online Fired when the browser has gained access to the network and the value of Focus events
Fired when an element has lost focus. focus Fired when an element has gained focus. Gamepad events
Fired when the browser detects that a gamepad has been connected or the first time a button/axis of the gamepad is used. gamepaddisconnected Fired when the browser detects that a gamepad has been disconnected. History events
Fired when the fragment identifier of the URL has changed (the part of the URL beginning with and following the pagehide Sent when the browser hides the current document while in the process of switching to displaying in its place a different document from the session's history. This happens, for example, when the user clicks the Back button or when they click the Forward button to move ahead in session history. pageshow Sent when the browser makes the document visible due to navigation tasks, including not only when the page is first loaded, but also situations such as the user navigating back to the page after having navigated to another within the same tab. popstate Fired when the active history entry changes. Load & unload events
Fired when the window, the document and its resources are about to be unloaded. DOMContentLoaded Fired when the document has been completely loaded and parsed, without waiting for stylesheets, images, and subframes to finish loading. load Fired when the whole page has loaded, including all dependent resources such as stylesheets images. unload Fired when the document or a child resource is being unloaded. Manifest events
Fired when the browser has successfully installed a page as an application. beforeinstallprompt Fired when a user is about to be prompted to install a web application. Messaging events
Fired when the window receives a message, for example from a call to
messageerror Fired when a Print events
Fired after the associated document has started printing or the print preview has been closed. beforeprint Fired when the associated document is about to be printed or previewed for printing. Promise rejection events
Sent every time a JavaScript unhandledrejection Sent when a JavaScript Transition events
Fired when a CSS transition is canceled. transitionend Fired when a CSS transition has completed. transitionrun
Fired when a CSS transition is first created. transitionstart Fired when a CSS transition has actually started. WebVR events
Fired when a VR display becomes available to be presented to,
for example if an HMD has been moved to bring it out of standby, or woken up by being put on. Also available via the vrdisplayblur Fired when presentation to a VR display has
been paused for some reason by the browser, OS, or VR hardware. Also available via the vrdisplayconnect Fired when a compatible VR display is connected to the computer. Also
available via the vrdisplaydeactivate Fired when a VR display can no longer be presented to, for example if an HMD has gone into standby or sleep mode due to a
period of inactivity. Also available via the vrdisplaydisconnect Fired when a compatible VR display is disconnected from the computer. Also available via the
vrdisplayfocus Fired when presentation to a VR display has resumed after being blurred. Also available via the
vrdisplaypresentchange Fired when the presenting state of a VR display changes — i.e. goes from presenting to not presenting, or vice versa. Also available via
the vrdisplaypointerrestricted Deprecated Non-standard Fired when the VR display's pointer input is restricted to consumption via a pointerlocked element. Also available via the vrdisplaypointerunrestricted Deprecated Non-standard Fired when the VR display's pointer input is no longer restricted to consumption via a
pointerlocked element. Also available via the InterfacesSpecifications
Browser compatibilityBCD tables only load in the browser What account can change all system settings?By default, the user account you created when setting up your computer is an Administrator account. An Administrator account allows you to make top-level changes to the computer, like adding new users or modifying specific settings.
What is a popular word processing program available with Windows?Microsoft Word – Word Processing Software. Microsoft 365.
What account has full control of the operating system?The Administrator account is the first account that is created during the Windows installation. The Administrator account has full control of the files, directories, services, and other resources on the local computer. The Administrator account can create other local users, assign user rights, and assign permissions.
Which Windows 10 version is designed for businesses and technical professionals group of answer choices?Windows 10 Pro adds several advanced features, including Azure Active Directory, Domain Join, Windows Information Protection1, BitLocker2, Remote desktop3, and a suite of tools designed for business use.
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