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screen

Contains properties describing the display screen and colors.

Client-side object

Implemented in

JavaScript 1.2

Created by

The JavaScript runtime engine creates the screen object for you. You can access its properties automatically.

Description

This object contains read-only properties that allow you to get information about the user's display.

Property Summary

Method Description
availHeight

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.

availLeft

Specifies the x-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.

availTop

Specifies the y-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.

availWidth

Specifies the width of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows.

colorDepth

The bit depth of the color palette, if one is in use; otherwise, the value is derived from screen.pixelDepth.

height

Display screen height.

pixelDepth

Display screen color resolution (bits per pixel).

width

Display screen width.

Method Summary

This object inherits the watch and unwatch methods from Object.

Examples

The following function creates a string containing the current display properties:

function screen_properties() {
   document.examples.results.value = "("+screen.width+" x
      "+screen.height+") pixels, "+
      screen.pixelDepth +" bit depth, "+
      screen.colorDepth +" bit color palette depth.";
} // end function screen_properties

availHeight

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.

Property of

screen

Implemented in

JavaScript 1.2

See also

screen.availTop


availLeft

Specifies the x-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.

Property of

screen

Implemented in

JavaScript 1.2

See also

screen.availWidth


availTop

Specifies the y-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.

Property of

screen

Implemented in

JavaScript 1.2

See also

screen.availHeight


availWidth

Specifies the width of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows.

Property of

screen

Implemented in

JavaScript 1.2

See also

screen.availLeft


colorDepth

The bit depth of the color palette in bits per pixel, if a color palette is in use. Otherwise, this property is derived from screen.pixelDepth.

Property of

screen

Implemented in

JavaScript 1.2


height

Display screen height, in pixels.

Property of

screen

Implemented in

JavaScript 1.2


pixelDepth

Display screen color resolution, in bits per pixel.

Property of

screen

Implemented in

JavaScript 1.2


width

Display screen width, in pixels.

Property of

screen

Implemented in

JavaScript 1.2


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Last Updated: 05/28/99 12:00:21

Copyright (c) 1999 Netscape Communications Corporation

Any sample code included above is provided for your use on an "AS IS" basis, under the Netscape License Agreement - Terms of Use