isTrusted Event Property
Example
Find out if a specific event is trusted:
	function myFunction(event) {
    if ("isTrusted" in event) 
	{
        if (event.isTrusted) {
            
	alert ("The " + event.type + " event is trusted.");
        
	} else {
            
	alert ("The " + event.type + " event is not trusted.");
        
	}
    } else {
        
	alert ("The isTrusted property is not supported by your browser");
    
	}
}
Try it Yourself »
Definition and Usage
The isTrusted event property returns a Boolean value indicating whether the event is trusted or not.
Note: In Chrome, Firefox and Opera, the event is trusted if it is invoked by the user, and not trusted if it is invoked by a script. In IE, all events are trusted except those that are created with the createEvent() method.
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
| Property | |||||
|---|---|---|---|---|---|
| isTrusted | 46.0 | 9.0 | Yes | Not supported | 33.0 | 
Syntax
	event.isTrusted
Technical Details
| Return Value: | A Boolean, indicating whether the event is trusted or not Possible values: 
 | 
|---|---|
| DOM Version: | DOM Level 3 Events | 
 Event Object
 Event Object

