MouseEvent: offsetX property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The offsetX read-only property of the 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

Specification
CSSOM View Module
# dom-mouseevent-offsetx

Browser compatibility

BCD tables only load in the browser

See also