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. |
Editor's Draft | Non-stable version. |
Pointer Events The definition of 'pointerId' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
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.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 55 | 12 | No 411 | 10 | 42 | No |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | 55 | 55 | 12 | No 411 | 10 | 42 | No |
1. 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.