MouseEvent: offsetX property

{{APIRef("Pointer Events")}}

The offsetX read-only property of the {{domxref("MouseEvent")}} interface provides the offset in the X coordinate of the mouse pointer between that event and the padding edge of the target node.

Value

A double floating point value in pixels.

Early versions of the spec defined this as an integer.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{ domxref("MouseEvent") }}
• Coordinate systems