Window
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The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on.
The EventTarget.addEventListener() method registers the specified listener on the EventTarget it's called on. The event target may be an Element in a document, the Document itself, a Window, or any other object that supports events (such as XMLHttpRequest).
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The Window.alert() method displays an alert dialog with the optional specified content and an OK button.
The Window.alert() method displays an alert dialog with the optional specified content and an OK button.
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An OfflineResourceList object providing access to the offline resources for the window.
An OfflineResourceList object providing access to the offline resources for the window.
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Decodes a string of data which has been encoded using base-64 encoding.
Decodes a string of data which has been encoded using base-64 encoding.
The window.blur() method is the programmatic equivalent of the user shifting focus away from the current window.
The window.blur() method is the programmatic equivalent of the user shifting focus away from the current window.
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Creates a base-64 encoded ASCII string from a "string" of binary data.
Creates a base-64 encoded ASCII string from a "string" of binary data.
Cancels an animation frame request previously scheduled through a call to window.requestAnimationFrame().
Cancels an animation frame request previously scheduled through a call to window.requestAnimationFrame().
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Cancels repeated action which was set up using setInterval.
Cancels repeated action which was set up using setInterval.
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Clears the delay set by window.setTimeout().
Clears the delay set by window.setTimeout().
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Closes the current window, or a referenced window.
Closes the current window, or a referenced window.
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The Window.confirm() method displays a modal dialog with an optional message and two buttons, OK and Cancel.
The Window.confirm() method displays a modal dialog with an optional message and two buttons, OK and Cancel.
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The Window.devicePixelRatio read-only property returns the ratio of the (vertical) size of one physical pixel on the current display device to the size of one device independent pixel (dips).
The Window.devicePixelRatio read-only property returns the ratio of the (vertical) size of one physical pixel on the current display device to the size of one device independent pixel (dips).
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Dispatches an Event at the specified EventTarget, invoking the affected EventListeners in the appropriate order.
Dispatches an Event at the specified EventTarget, invoking the affected EventListeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) apply to events dispatched manually with dispatchEvent().
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Returns a reference to the document that the window contains.
Returns a reference to the document that the window contains.
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Makes a request to bring the window to the front.
Makes a request to bring the window to the front. It may fail due to user settings and the window isn't guaranteed to be frontmost before this method returns.
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Returns the element (such as <iframe> or <object>) in which the window is embedded, or null if the window is top-level.
Returns the element (such as <iframe> or <object>) in which the window is embedded, or null if the window is top-level.
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Returns the window itself, which is an array-like object, listing the direct sub-frames of the current window.
Returns the window itself, which is an array-like object, listing the direct sub-frames of the current window.
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Returns a selection object representing the range of text selected by the user.
Returns a selection object representing the range of text selected by the user.
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The Window.history read-only property returns a reference to the History object, which provides an interface for manipulating the browser session history (pages visited in the tab or frame that the current page is loaded in).
The Window.history read-only property returns a reference to the History object, which provides an interface for manipulating the browser session history (pages visited in the tab or frame that the current page is loaded in).
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an IDBRequest object that communicates back to the requesting application through events.
an IDBRequest object that communicates back to the requesting application through events. This design means that any number of requests can be active on any database at a time.
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Gets the height of the content area of the browser window including, if rendered, the horizontal scrollbar.
Gets the height of the content area of the browser window including, if rendered, the horizontal scrollbar.
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Gets the width of the content area of the browser window including, if rendered, the vertical scrollbar.
Gets the width of the content area of the browser window including, if rendered, the vertical scrollbar.
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Returns the number of frames (either frame or iframe elements) in the window.
Returns the number of frames (either frame or iframe elements) in the window.
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The Window.location property returns a Location object with information about the current location of the document.
The Window.location property returns a Location object with information about the current location of the document.
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Returns a new MediaQueryList object representing the parsed results of the specified media query string.
Returns a new MediaQueryList object representing the parsed results of the specified media query string.
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The name of the window is used primarily for setting targets for hyperlinks and forms.
The name of the window is used primarily for setting targets for hyperlinks and forms. Windows do not need to have names.
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The Window.navigator read-only property returns a reference to the Navigator object, which can be queried for information about the application running the script.
The Window.navigator read-only property returns a reference to the Navigator object, which can be queried for information about the application running the script.
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An event handler property for abort events on the window.
An event handler property for abort events on the window.
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The onafterprint property sets and returns the onafterprint event handler code for the current window.
The onafterprint property sets and returns the onafterprint event handler code for the current window.
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The onbeforeprint property sets and returns the onbeforeprint event handler code for the current window.
The onbeforeprint property sets and returns the onbeforeprint event handler code for the current window.
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An event that fires when a window is about to unload its resources.
An event that fires when a window is about to unload its resources. The document is still visible and the event is still cancelable.
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The onblur property can be used to set the blur handler on the window, which is triggered when the window loses focus.
The onblur property can be used to set the blur handler on the window, which is triggered when the window loses focus.
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An event handler property for change events on the window.
An event handler property for change events on the window.
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Called when the user clicks the mouse button while the cursor is in the window.
Called when the user clicks the mouse button while the cursor is in the window. This event is fired for any mouse button pressed; you can look at the event properties to find out which button was pressed and where.
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An event handler property for right-click events on the window.
An event handler property for right-click events on the window.
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Called for an element when the mouse pointer first moves over the element while something is being dragged.
Called for an element when the mouse pointer first moves over the element while something is being dragged. This might be used to change the appearance of the element to indicate to the user that the object can be dropped on it.
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An event handler property for errors raised on the window.
An event handler property for errors raised on the window.
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An event handler property for focus events on the window.
An event handler property for focus events on the window.
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An event handler property for hash change events on the window; called when the part of the URL after the hash mark ("#") changes.
An event handler property for hash change events on the window; called when the part of the URL after the hash mark ("#") changes.
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An event handler property for keydown events on the window.
An event handler property for keydown events on the window.
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An event handler property for keypress events on the window.
An event handler property for keypress events on the window.
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An event handler property for keyup events on the window.
An event handler property for keyup events on the window.
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An event handler property for window loading.
An event handler property for window loading.
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An event handler property for mousedown events on the window.
An event handler property for mousedown events on the window.
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An event handler property for mousemove events on the window.
An event handler property for mousemove events on the window.
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An event handler property for mouseout events on the window.
An event handler property for mouseout events on the window.
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An event handler property for mouseover events on the window.
An event handler property for mouseover events on the window.
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An event handler property for mouseup events on the window.
An event handler property for mouseup events on the window.
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An event handler property for popstate events, which are fired when navigating to a session history entry representing a state object.
An event handler property for popstate events, which are fired when navigating to a session history entry representing a state object.
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An event handler property for reset events on the window.
An event handler property for reset events on the window.
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An event handler for the resize event on the window.
An event handler for the resize event on the window.
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Specifies the function to be called when the window is scrolled.
Specifies the function to be called when the window is scrolled.
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An event handler property for window selection.
An event handler property for window selection.
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An event handler property for submits on window forms.
An event handler property for submits on window forms.
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The unload event is raised when the window is unloading its content and resources.
The unload event is raised when the window is unloading its content and resources. The resources removal is processed after the unload event occurs.
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Loads a resource in a new browsing context or an existing one.
Loads a resource in a new browsing context or an existing one.
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Returns a reference to the window that opened this current window.
Returns a reference to the window that opened this current window.
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window.outerHeight gets the height in pixels of the whole browser window.
window.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.
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window.outerWidth gets the width of the outside of the browser window.
window.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.
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Returns the number of pixels that the document has already been scrolled horizontally.
Returns the number of pixels that the document has already been scrolled horizontally.
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Returns the number of pixels that the document has already been scrolled vertically.
Returns the number of pixels that the document has already been scrolled vertically.
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Returns a reference to the parent of the current window or subframe.
Returns a reference to the parent of the current window or subframe.
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The Web Performance API allows web pages access to certain functions for measuring the performance of web pages and web applications, including the Navigation Timing API and high-resolution time data.
The Web Performance API allows web pages access to certain functions for measuring the performance of web pages and web applications, including the Navigation Timing API and high-resolution time data.
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The window.postMessage method safely enables cross-origin communication.
The window.postMessage method safely enables cross-origin communication. Normally, scripts on different pages are allowed to access each other if and only if the pages that executed them are at locations with the same protocol (usually both http), port number (80 being the default for http), and host (modulo document.domain being set by both pages to the same value). window.postMessage provides a controlled mechanism to circumvent this restriction in a way which is secure when properly used.
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Opens the Print Dialog to print the current document.
Opens the Print Dialog to print the current document.
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The Window.prompt() displays a dialog with an optional message prompting the user to input some text.
The Window.prompt() displays a dialog with an optional message prompting the user to input some text.
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Removes the event listener previously registered with EventTarget.addEventListener.
Removes the event listener previously registered with EventTarget.addEventListener.
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The window.requestAnimationFrame() method tells the browser that you wish to perform an animation and requests that the browser call a specified function to update an animation before the next repaint.
The window.requestAnimationFrame() method tells the browser that you wish to perform an animation and requests that the browser call a specified function to update an animation before the next repaint. The method takes as an argument a callback to be invoked before the repaint.
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Specifies the height of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows.
Specifies the height of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows.
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Returns the horizontal distance of the left border of the user's browser from the left side of the screen.
Returns the horizontal distance of the left border of the user's browser from the left side of the screen.
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Returns the vertical distance of the top border of the user's browser from the top edge of the screen.
Returns the vertical distance of the top border of the user's browser from the top edge of the screen.
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Scrolls the window to a particular place in the document.
Scrolls the window to a particular place in the document.
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Scrolls the document in the window by the given amount.
Scrolls the document in the window by the given amount.
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Scrolls to a particular set of coordinates in the document.
Scrolls to a particular set of coordinates in the document.
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Returns an object reference to the window object itself.
Returns an object reference to the window object itself.
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This is a global object (sessionStorage) that maintains a storage area that's available for the duration of the page session.
This is a global object (sessionStorage) that maintains a storage area that's available for the duration of the page session. A page session lasts for as long as the browser is open and survives over page reloads and restores. Opening a page in a new tab or window will cause a new session to be initiated.
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Calls a function or executes a code snippet repeatedly, with a fixed time delay between each call to that function.
Calls a function or executes a code snippet repeatedly, with a fixed time delay between each call to that function.
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Calls a function or executes a code snippet after a specified delay.
Calls a function or executes a code snippet after a specified delay.
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The Window.showModalDialog() creates and displays a modal dialog box containing a specified HTML document.
The Window.showModalDialog() creates and displays a modal dialog box containing a specified HTML document.
The URI of the document to display in the dialog box
An optional variant the contains values that should be passed to the
dialog box; these are made available in the window object's
dialogArguments property.
An optional String that specifies window ornamentation
Returns a reference to the topmost window in the window hierarchy.
Returns a reference to the topmost window in the window hierarchy. This property is read only.
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The window property of a window object points to the window object itself.
The window property of a window object points to the window object itself.
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The window object represents the window itself. The document property of a window points to the DOM document loaded in that window. A window for a given document can be obtained using the document.defaultView property.
In a tabbed browser, such as Firefox, each tab contains its own window object (and if you're writing an extension, the browser window itself is a separate window too - see Working with windows in chrome code for more information). That is, the window object is not shared between tabs in the same window. Some methods, namely window.resizeTo and window.resizeBy apply to the whole window and not to the specific tab the window object belongs to. Generally, anything that can't reasonably pertain to a tab pertains to the window instead.
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