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• 句法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

height 只读特性在 PointerEvent interface represents the height of the pointer's contact geometry, along the y-axis (in CSS pixels). Depending on the source of the pointer device (for example a finger), for a given pointer, each event may produce a different value.

If the input hardware cannot report the contact geometry to the browser, the height defaults to 1 .

句法

var contactHeight = pointerEvent.height;
					

返回值

contactHeight

The height of the event's contact area (in CSS pixels).

范例

An example of this property is included in the PointerEvent.width example .

规范

规范	状态	注释
指针事件 – 2 级 The definition of 'height' in that specification.	推荐	非稳定版本。
指针事件 The definition of 'height' in that specification.	过时	初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
height	Chrome 55	Edge 12	Firefox 59 59 Disabled ). To change preferences in Firefox, visit	IE 11 11 部分支持 10 Returns values in screen pixels instead of CSS document pixels.	Opera 42	Safari 13	WebView Android 55	Chrome Android 55	Firefox Android 41	Opera Android 42	Safari iOS 13	Samsung Internet Android 6.0

图例

完整支持

完整支持

见实现注意事项。

用户必须明确启用此特征。

用户必须明确启用此特征。

元数据

• 最后修改： 2020 年 1 月 22 日

相关话题

1. 指针事件
2. PointerEvent
3. 构造函数

   1. PointerEvent()
4. 特性

   1. height
   2. isPrimary
   3. pointerId
   4. pointerType
   5. pressure
   6. tangentialPressure
   7. tiltX
   8. tiltY
   9. twist
   10. width
5. 方法

   1. getCoalescedEvents()
6. 继承：

   1. MouseEvent
   2. UIEvent
   3. 事件
7. Related pages for Pointer Events

   1. Element.ongotpointercapture
   2. Element.onlostpointercapture
   3. Element.releasePointerCapture()
   4. Element.setPointerCapture()
   5. GlobalEventHandlers.onpointercancel
   6. GlobalEventHandlers.onpointerdown
   7. GlobalEventHandlers.onpointerenter
   8. GlobalEventHandlers.onpointerleave
   9. GlobalEventHandlers.onpointermove
   10. GlobalEventHandlers.onpointerout
   11. GlobalEventHandlers.onpointerover
   12. GlobalEventHandlers.onpointerup
   13. Navigator.maxTouchPoints