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

The offsetY read-only property of the MouseEvent interface provides the offset in the Y coordinate of the mouse pointer between that event and the padding edge of the target node. 

Syntax

var yOffset = instanceOfMouseEvent.offsetY;

Return value

A double floating point value. Early versions of the spec defined this as an integer. See the Browser compatibility section for details.

Specifications

Specification Status Comment
CSS Object Model (CSSOM) View Module
The definition of 'MouseEvent' in that specification.
Working Draft Initial definition

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes396 Yes Yes
Value type changed from long to double56 ? ? ? ? ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes43 ? ? ?
Value type changed from long to double5656 ? ? ? ? ?

See also

Document Tags and Contributors

Contributors to this page: fscholz, JonMarkPerry, jpmedley, libbymc, teoli, cvrebert, Sheppy
Last updated by: fscholz,