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 dispatchEvent.

Syntax

var bool = event.isTrusted;

Example

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

Specification

Browser compatibility