MouseEvent.movementX - Web API 接口参考 编辑

 MouseEvent.movementX 是只读属性，它提供了当前事件和上一个mousemove事件之间鼠标在水平方向上的移动值。换句话说，这个值是这样计算的 : currentEvent.movementX = currentEvent.screenX - previousEvent.screenX.

语法

var xShift = instanceOfMouseEvent.movementX

返回值

一个数字

规范

Specification	Status	Comment
Pointer Lock MouseEvent.movementX	Candidate Recommendation	Initial definition

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	22.0 webkit 37.0 unprefixed	(Yes)	1.0 (1.7 or earlier) moz 41 (41)	未实现	?	未实现

Feature	Android Webview	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	37	(Yes)	1.0 (1.0) moz 41.0 (41)	未实现	?	未实现	(Yes) webkit 37.0 unprefixed

相关

• MouseEvent
• Pointer Lock