Window

Module: JavaScript DOM API

The window of the view and the global object in the scripting environment.

#include <Window.idl>

Inherits from EventTarget

Public Functions #

Public Attributes #

Public Functions Documentation #

function scrollBy #

void scrollBy(
    optional long x,
    optional long y
)

Scrolls the document in the window by the given amount.

Parameters:

• x offset in pixels to scroll horizontally.
• y offset in pixels to scroll vertically.

function scrollTo #

void scrollTo(
    optional long x,
    optional long y
)

Scrolls to a particular set of coordinates in the document.

Parameters:

• x is the pixel along the horizontal axis of the document that you want displayed in the upper left.
• y is the pixel along the vertical axis of the document that you want displayed in the upper left.

function setTimeout #

unsigned long setTimeout(
    AnyCallbackTraced handler,
    optional unsigned long timeout
)

schedule a callback to be executed after timeout milliseconds

Parameters:

• handler a callback without arguments
• timeout the delay in milliseconds.

Return: a handle to the scheduled timer

Note: A 0 delay makes the callback to be executed on the next frame

function clearTimeout #

void clearTimeout(
    unsigned long handle
)

clear a previous scheduled timer

Parameters:

• handle a handle returned from setTimeout

function setInterval #

unsigned long setInterval(
    AnyCallbackTraced handler,
    unsigned long interval
)

schedule a callback to be executed at timeout milliseconds intervals

Parameters:

• handler a callback without arguments
• interval the delay in milliseconds.

Return: a handle to the scheduled timer

Note: A 0 delay makes the callback to be executed on the next frame

The first call to the callback will be after timeout milliseconds

function clearInterval #

void clearInterval(
    unsigned long handle
)

clear a previous scheduled repeating timer

Parameters:

• handle a handle returned from setInterval

function getComputedStyle #

CSSStyleDeclaration getComputedStyle(
    Element element
)

the last computed style of the element

Parameters:

• element the element whose style to get

function requestAnimationFrame #

long requestAnimationFrame(
    AnyCallbackTraced callback
)

function cancelAnimationFrame #

void cancelAnimationFrame(
    long id
)

Cancels an animation frame request previously scheduled through a call to requestAnimationFrame()

Parameters:

• id The ID of the request to cancel.

function addEventListener #

void addEventListener(
    DOMInternedString type,
    EventListener listener,
    optional boolean useCapture
)

Reimplements: EventTarget::addEventListener

function removeEventListener #

void removeEventListener(
    DOMInternedString type,
    EventListener listener,
    optional boolean useCapture
)

Reimplements: EventTarget::removeEventListener

function queueMicrotask #

void queueMicrotask(
    AnyCallbackTraced callback
)

Schedules a call to the specified callback after the function that enqueues the microtask has finished.

Parameters:

• callback The callback to be invoked.

function dispatchEvent #

boolean dispatchEvent(
    Event event
)

Reimplements: EventTarget::dispatchEvent

function getSelection #

Selection getSelection()

Returns a Selection object representing the range of text selected by the user, or the current position of the caret.

Public Attributes Documentation #

variable document #

readonly attribute Document document;

The document in the current window.

variable console #

readonly attribute Console console;

The console API that can be used for logging.

variable cohDebug #

readonly attribute CoherentDebug cohDebug;

The Coherent Debug object used to control various CoHTML options.

variable performance #

readonly attribute Performance performance;

variable location #

readonly attribute Location location;

variable navigator #

readonly attribute Navigator navigator;

variable self #

readonly attribute Window self;

variable localStorage #

readonly attribute Storage localStorage;

variable history #

readonly attribute History history;

variable parent #

readonly attribute Window parent;

A reference to the parent of the current window or subframe.

Note: If a window does not have a parent, its parent property is a reference to itself.

variable screen #

readonly attribute Screen screen;

variable customElements #

readonly attribute CustomElementRegistry customElements;

Gets the CustomElementRegistry that can be used to register new custom or get information about registered custom elements.

variable outerHeight #

readonly attribute long outerHeight;

Gets the height in pixels of the whole browser window. It represents the height of the whole browser window including sidebar (if expanded), window chrome and window resizing borders/handles.

variable outerWidth #

readonly attribute long outerWidth;

Gets the width of the outside of the browser window. It represents the width of the whole browser window including sidebar (if expanded), window chrome and window resizing borders/handles.

variable innerHeight #

readonly attribute long innerHeight;

Height (in pixels) of the browser window viewport including, if rendered, the horizontal scrollbar.

variable innerWidth #

readonly attribute long innerWidth;

Width (in pixels) of the browser window viewport including, if rendered, the vertical scrollbar.

variable screenX #

readonly attribute long screenX;

Returns the horizontal distance, in CSS pixels, of the left border of the user’s browser from the left side of the screen.

variable screenY #

readonly attribute long screenY;

Returns the vertical distance, in CSS pixels of the top border of the user’s browser from the top edge of the screen.

variable screenLeft #

readonly attribute long screenLeft;

This is an alias for screenX.

variable screenTop #

readonly attribute long screenTop;

This is an alias for screenY.

variable scrollX #

readonly attribute long scrollX;

Returns the number of pixels that the document has already been scrolled horizontally.

variable scrollY #

readonly attribute long scrollY;

Returns the number of pixels that the document has already been scrolled vertically.

variable pageXOffset #

readonly attribute long pageXOffset;

This is an alias for scrollX.

variable pageYOffset #

readonly attribute long pageYOffset;

This is an alias for scrollY.

variable devicePixelRatio #

readonly attribute double devicePixelRatio;

Returns the ratio of the CSS pixel size to device pixel size.

variable chrome #

readonly attribute Chrome chrome;

variable gamepadconnected #

attribute EventSetter gamepadconnected;

variable gamepaddisconnected #

attribute EventSetter gamepaddisconnected;

variable popstate #

attribute EventSetter popstate;

variable resize #

attribute EventSetter resize;

variable unhandledrejection #

attribute EventSetter unhandledrejection;

variable vrdisplayactivate #

attribute EventSetter vrdisplayactivate;

variable vrdisplayblur #

attribute EventSetter vrdisplayblur;

variable vrdisplayconnect #

attribute EventSetter vrdisplayconnect;

variable vrdisplaydeactivate #

attribute EventSetter vrdisplaydeactivate;

variable vrdisplaydisconnect #

attribute EventSetter vrdisplaydisconnect;

variable vrdisplayfocus #

attribute EventSetter vrdisplayfocus;

variable vrdisplaypresentchange #

attribute EventSetter vrdisplaypresentchange;

variable abort #

attribute EventSetter abort;

variable blur #

attribute EventSetter blur;

variable click #

attribute EventSetter click;

variable dblclick #

attribute EventSetter dblclick;

variable error #

attribute EventSetter error;

variable focus #

attribute EventSetter focus;

variable keydown #

attribute EventSetter keydown;

variable keypress #

attribute EventSetter keypress;

variable keyup #

attribute EventSetter keyup;

variable load #

attribute EventSetter load;

variable mousedown #

attribute EventSetter mousedown;

variable mouseover #

attribute EventSetter mouseover;

variable mouseout #

attribute EventSetter mouseout;

variable mouseenter #

attribute EventSetter mouseenter;

variable mouseleave #

attribute EventSetter mouseleave;

variable mousemove #

attribute EventSetter mousemove;

variable mouseup #

attribute EventSetter mouseup;

variable input #

attribute EventSetter input;

variable scroll #

attribute EventSetter scroll;

variable wheel #

attribute EventSetter wheel;

variable touchstart #

attribute EventSetter touchstart;

variable touchend #

attribute EventSetter touchend;

variable touchmove #

attribute EventSetter touchmove;