According to the UI Events specification un-trusted events (i.e. those created by JavaScript) should not invoke the default action. 'click' is the only event that is a legacy permitted case. The isTrusted support was added in which identifies trusted events from un-trusted events. We wish to prevent synthetic events from executing the default action, aligning with Firefox and IE.


Specification link

Specification currently under development in a Working Group

Status in Chromium


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • Shipped/Shipping
  • No signal
  • No signals


Search tags

events, un-trusted, default action,

Last updated on 2020-11-09