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In this articleMouseEvent
WEBKIT_FORCE_AT_FORCE_MOUSE_DOWN
Non-standardWEBKIT_FORCE_AT_MOUSE_DOWN
Non-standardgetModifierState()
initMouseEvent()
DeprecatedCompositionEvent
FocusEvent
InputEvent
KeyboardEvent
MouseScrollEvent
Non-standard DeprecatedMutationEvent
Non-standard DeprecatedTextEvent
DeprecatedUIEvent
WheelEvent
Baseline Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since December 2015.
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.
A double
floating point value in pixels.
Early versions of the spec defined this as an integer.
Specifications Specification CSSOM View Module.
This page was last modified on Mar 4, 2025 by MDN contributors.
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