Experimental: 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.


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.


CSSOM View Module (CSSOM View)
# dom-mouseevent-offsety

Browser compatibility

BCD tables only load in the browser

See also