Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Specifies the y-coordinate of the first pixel that is not allocated to permanent or semipermanent user interface features.
Syntax
let availTop = window.screen.availTop;
Example
let setX = window.screen.width - window.screen.availLeft; let setY = window.screen.height - window.screen.availTop; window.moveTo(setX, setY);
Notes
In most cases, this property returns 0.
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
availTop | Chrome Full support 40 | Edge Full support 79 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari Full support 6 | WebView Android Full support 40 | Chrome Android Full support 40 | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support 4.0 |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.