The Screen interface represents a screen, usually the one on which the current window is being rendered, and is obtained using window.screen.
Note that browsers determine which screen to report as current by detecting which screen has the center of the browser window.
Also inherits properties from its parent EventTarget.
Screen.availTop Non-standard
Specifies the y-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.
Screen.availLeft Non-standard
Returns the first available pixel available from the left side of the screen.
Screen.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.
Screen.availWidth
Returns the amount of horizontal space in pixels available to the window.
Screen.colorDepth
Returns the color depth of the screen.
Screen.height
Returns the height of the screen in pixels.
Screen.left Non-standard
Returns the distance in pixels from the left side of the main screen to the left side of the current screen.
Screen.orientation
Returns the ScreenOrientation instance associated with this screen.
Screen.pixelDepth
Gets the bit depth of the screen.
Screen.top Deprecated Non-standard
Returns the distance in pixels from the top side of the current screen.
Screen.width
Returns the width of the screen.
Screen.mozEnabled Non-standard Deprecated
Boolean. Setting to false will turn off the device's screen.
Screen.mozBrightness Non-standard Deprecated
Controls the brightness of a device's screen. A double between 0 and 1.0 is expected.
Also inherits methods from its parent EventTarget.
Screen.lockOrientation Deprecated
Lock the screen orientation (only works in fullscreen or for installed apps)
Screen.unlockOrientation Deprecated
Unlock the screen orientation (only works in fullscreen or for installed apps)
orientationchange Deprecated Non-standard
Fires when the screen orientation changes.
js
if (screen.pixelDepth < 8) {
// use low-color version of page
} else {
// use regular, colorful page
}
| Specification |
|---|
| CSSOM View Module # the-screen-interface |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
Screen |
1 | 12 | 1 | 4 | ≤12.1 | 1 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
availHeight |
1 |
12Always reflects the main screen. |
1 | 4 | ≤12.1 | 1 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
availLeft |
1 | 79 | 1 | No | 15 | 1 | 4.4 | 18 | 4 | 14 | 1 | 1.0 |
availTop |
1 | 79 | 1 | No | 15 | 1 | 4.4 | 18 | 4 | 14 | 1 | 1.0 |
availWidth |
1 |
12Always reflects the main screen. |
1 | 4 | ≤12.1 | 1 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
change_event |
100 | 100 | No | No | 86 | No | 100 | 100 | No | 69 | No | 19.0 |
colorDepth |
1Starting with version 59 this property is no longer required to always return 24. |
12 | 1 | 4 | ≤12.1 | 1 |
4.4Starting with version 59 this property is no longer required to always return 24. |
18Starting with version 59 this property is no longer required to always return 24. |
4 | ≤12.1 | 1 |
1.0Starting with Samsung Internet 7.0 this property is no longer required to always return 24. |
height |
1 | 12 | 1 | 4 | ≤12.1 | 1 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
isExtended |
100 | 100 | No | No | 86 | No | 100 | 100 | No | 69 | No | 19.0 |
left |
No | No | 1 | No | No | No | No | No | 4 | No | No | No |
lockOrientation |
No | 12–79 | 14 | 11 | No | No | No | No | 14 | No | No | No |
mozBrightness |
No | No | 12 | No | No | No | No | No | No | No | No | No |
mozEnabled |
No | No | 12 | No | No | No | No | No | No | No | No | No |
orientation |
38 | 79
12Edge does not return anOrientation object; instead, it returns the orientation type as a string.
|
4314 |
11Not supported on Windows 7. |
25 | 16.4 | 39 | 39 | 4314 | 26 | 16.4 | 4.0 |
orientationchange_event |
No | 12–79 | No | 11 | No | No | No | No | 14 | No | No | No |
pixelDepth |
1Starting with version 59 this property is no longer required to always return 24. |
12 | 1 | 9 | ≤12.1 | 1 |
4.4Starting with version 59 this property is no longer required to always return 24. |
18Starting with version 59 this property is no longer required to always return 24. |
4 | ≤12.1 | 1 |
1.0Starting with Samsung Internet 7.0 this property is no longer required to always return 24. |
top |
No | No | 1 | No | No | No | No | No | 4 | No | No | No |
unlockOrientation |
No | 12–79 | 14 | 11 | No | No | No | No | 14 | No | No | No |
width |
1 | 12 | 1 | 4 | ≤12.1 | 1 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Screen