Event.isTrusted

The isTrusted read-only property of the Event interface is a boolean value 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

A boolean value.

Example

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

Specifications

Specification
DOM Standard (DOM) # ref-for-dom-event-istrusted①

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`isTrusted`	46 Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	12	1.5	No In Internet Explorer, all events are trusted except those that are created with the `createEvent()` method.	33 Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	10	46 Starting with version 53, untrusted events do not invoke the default action.	46 Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	4	33 Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.	10	5.0 Starting with Samsung Internet 6.0 and Opera 40, untrusted events do not invoke the default action.

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https://developer.mozilla.org/en-US/docs/Web/API/Event/isTrusted