MouseEvent.movementY
MouseEvent.movementY
是只读属性,它提供了当前事件和上一个 mousemove (en-US)
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.movementY = currentEvent.screenY - previousEvent.screenY
.
语法
var yShift = instanceOfMouseEvent.movementY
返回值
A number
规范
Specification | Status | Comment |
---|---|---|
Pointer Lock MouseEvent.movementY |
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! (en-US)
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 22.0 webkit (en-US) 37.0 unprefixed |
(Yes) | 1.0 (1.7 or earlier) moz (en-US) 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 | 37.0 | (Yes) | 1.0 (1.0) moz (en-US) 41.0 (41) |
? | ? | ? | (Yes) webkit (en-US) 37.0 unprefixed |