---
title: MouseEvent.webkitForce
slug: Web/API/MouseEvent/webkitForce
tags:
  - API
  - DOM
  - DOM Events
  - MouseEvent
  - Property
  - Reference
---
{{Non-standard_header()}}

**`MouseEvent.webkitForce`** is a proprietary, WebKit-specific numeric property whose value represents the amount of pressure that is being applied on the touchpad or touchscreen.

## Specifications

_Not part of any specification._ Apple has [a description at the Mac Developer Library](https://developer.apple.com/library/prerelease/mac/documentation/AppleApplications/Conceptual/SafariJSProgTopics/RespondingtoForceTouchEventsfromJavaScript.html).

## See also

- {{domxref("MouseEvent.WEBKIT_FORCE_AT_MOUSE_DOWN")}}
- {{domxref("MouseEvent.WEBKIT_FORCE_AT_FORCE_MOUSE_DOWN")}}
- {{domxref("Force_Touch_events")}}
