This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.

The MouseEvent.y property is an alias for the MouseEvent.clientY property.

As this property is not supported by all browsers, use the standard MouseEvent.clientY instead.


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

Browser compatibility

Feature Firefox (Gecko) Chrome Internet Explorer Opera Safari
Basic support Not supported [1] (Yes) 6 (Yes) (Yes)
Feature Firefox Mobile (Gecko) Android IE Mobile Opera Mobile Safari Mobile
Basic support Not supported [1] ? ? ? ?

[1] See bug 1202113


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API DOM NeedsBrowserCompatibility NeedsCompatTable NeedsMobileBrowserCompatibility Property Reference