MouseEvent.movementX

The MouseEvent.movementX read-only property provides the shift in the X coordinate of the mouse pointer between that event and the previous mousemove event. In other words, the value of that property is computed that way : currentEvent.movementX = currentEvent.screenX - previousEvent.screenX.

Syntax

var xShift = instanceOfMouseEvent.movementX

Return value

A number

Specifications

Specification Status Comment
Pointer Lock
The definition of 'MouseEvent.movementX' in that specification.
Candidate Recommendation Initial definition

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support 37
Full support 37
No support 22 — 37
Prefixed
Prefixed Requires the vendor prefix: webkit
Edge Full support YesFirefox Full support 41
Full support 41
No support 1 — 41
Prefixed
Prefixed Requires the vendor prefix: moz
IE No support NoOpera ? Safari No support NoWebView Android Full support 37Chrome Android Full support 37
Full support 37
No support ? — 37
Prefixed
Prefixed Requires the vendor prefix: webkit
Edge Mobile Full support YesFirefox Android Full support 41
Full support 41
No support 4 — 41
Prefixed
Prefixed Requires the vendor prefix: moz
Opera Android ? Safari iOS No support NoSamsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Requires a vendor prefix or different name for use.
Requires a vendor prefix or different name for use.

See also

Document Tags and Contributors

Last updated by: fscholz,