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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Screen.orientation property give the current orientation of the screen.

Syntax

var orientation = window.screen.orientation.type;

Return value

The return value is a string representing the orientation of the screen. It can be portrait-primary, portrait-secondary, landscape-primary, landscape-secondary (See lockOrientation for more info about those values).

Example

var orientation =  screen.msOrientation || (screen.orientation || screen.mozOrientation || {}).type;

if (orientation === "landscape-primary") {
  console.log("That looks good.");
} else if (orientation === "landscape-secondary") {
  console.log("Mmmh... the screen is upside down!");
} else if (orientation === "portrait-secondary" || orientation === "portrait-primary") {
  console.log("Mmmh... you should rotate your device to landscape");
} else if (orientation === undefined) {
 console.log("The orientation API isn't supported in this browser :("); 
}

Specifications

Specification Status Comment
Screen Orientation API
The definition of 'Screen Orientation' in that specification.
Working Draft Initial definition

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 38 (Yes) moz[1] 11ms[2] 25 No support
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support 39 (Yes) moz[1] No support No support No support

[1] This API is only implemented as a prefixed method (mozOrientation) in B2G and Firefox for Android.

[2] This API is implemented using a prefix (msOrientation) in Internet Explorer for Windows 8.1 and Windows RT 8.1. It is not supported on Windows 7.

See also

Étiquettes et contributeurs liés au document

 Dernière mise à jour par : PatrickKettner,