Web/API/Event/isTrusted

The isTrusted read-only property of the Event interface is a Boolean that is true when the event was generated by a user action, and false when the event was created or modified by a script or dispatched via EventTarget.dispatchEvent().

Syntax

var eventIsTrusted = event.isTrusted;

Value

Boolean

Example

if (e.isTrusted) {
  /* The event is trusted */
} else {
  /* The event is not trusted */
}

Specification

Specification	Status	Comment
DOMThe definition of 'Event.isTrusted' in that specification.	Living Standard
Document Object Model (DOM) Level 3 Events SpecificationThe definition of 'Trusted events' in that specification.	Obsolete	Adds requirements regarding trusted and untrusted events, though it does not itself define the isTrusted property.

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.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
isTrusted	Chrome Full support 46 Notes' Full support 46 Notes' Notes' Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	Edge Full support 12	Firefox Full support Yes	IE No support No Notes' No support No Notes' Notes' In Internet Explorer, all events are trusted except those that are created with the createEvent() method.	Opera Full support 33 Notes' Full support 33 Notes' Notes' Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	Safari Full support 10	WebView Android Full support 46 Notes' Full support 46 Notes' Notes' Starting with version 53, untrusted events do not invoke the default action.	Chrome Android Full support 46 Notes' Full support 46 Notes' Notes' Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	Firefox Android Full support Yes	Opera Android Full support 33 Notes' Full support 33 Notes' Notes' Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	Safari iOS Full support 10	Samsung Internet Android Full support 5.0 Notes' Full support 5.0 Notes' Notes' Starting with Samsung Internet 6.0 and Opera 40, untrusted events do not invoke the default action.

Legend

Full support  

Full support

No support  

No support

See implementation notes.'

See implementation notes.

Event.isTrusted by Mozilla Contributors is licensed under CC-BY-SA 2.5.