This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The selectstart event of the Selection API is fired when a user starts a new selection. The event is fire at the HTML element at the beginning of the new selection Range.

If the event is canceled, the selection is not changed.

Bubbles Yes
Cancelable Yes
Target objects HTMLElement
Interface Event


document.addEventListener("selectstart", function(e) {
}, false);

// "selectstart" event is logged when a selection start on the page.


The selectstart event implements the Event interface. You can use the properties and methods defined on this interface.


Specification Status Comment
Selection API
The definition of 'selectstart' in that specification.
Working Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? 43 (43) [1] ? ? ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? 43.0 (43) [1] ? ? ?

[1] This is implemented behind the dom.select_events.enabled preference, that default to false, except on Nightly. See bugĀ 571294 for details.

See also

Document Tags and Contributors

 Contributors to this page: wirmar, Nickolay, Sebastianz, teoli
 Last updated by: wirmar,