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GlobalEventHandlers.onselectstart

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The GlobalEventHandlers.onselectstart property represents the event handler that is called when a selectstart event reaches this object, i.e. when the user starts to make a new text selection on a web page.

Syntax

obj.onselectstart = function;

Example

document.onselectstart = function() {
  console.log("Selection started!");
}; 

For a full example, see our Key quote generator demo.

Specifications

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

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes ? 52
52
43
Disabled
Disabled From version 43: this feature is behind the dom.select_events.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Yes ? 1.3
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes ? 52
52
43
Disabled
Disabled From version 43: this feature is behind the dom.select_events.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
? Yes ?

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onselectstart