PointerEvent.pointerId

An identifier assigned to a pointer event that is unique from the identifiers of all active pointer events at the time. Authors cannot assume values convey any particular meaning other than an identifier for the pointer that is unique from all other active pointers.

This property is Read only .

Syntax

var id = pointerEvent.pointerId;

Return value

id
The pointer event's unique identifier number.

Example

This example illustrates the PointerEvent interface's pointerId property.

The following code snippet compares a previously saved pointer id with the identifier of the pointerdown event that was just fired.

var id;

target.addEventListener("pointerdown", function(ev) {
   // Compare previous id that was cached with this event's id
   // and handle accordingly
   if (id == ev.pointerId) process_event(ev);
 }, false);

Specifications

Specification Status Comment
Pointer Events – Level 2
The definition of 'pointerId' in that specification.
Working Draft Non-stable version.
Pointer Events
The definition of 'pointerId' in that specification.
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 55Edge Full support 12Firefox Full support 59
Full support 59
Full support 41
Disabled
Disabled From version 41: this feature is behind the dom.w3c_pointer_events.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE Full support 10Opera Full support 42Safari No support NoWebView Android Full support 55Chrome Android Full support 55Edge Mobile Full support 12Firefox Android No support No
No support No
Full support 41
Disabled
Disabled From version 41: this feature is behind the dom.w3c_pointer_events.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Opera Android Full support 42Safari iOS No support NoSamsung Internet Android Full support 6.0

Legend

Full support  
Full support
No support  
No support
User must explicitly enable this feature.
User must explicitly enable this feature.

Document Tags and Contributors

Last updated by: lpd-au,