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Event.type

The Event.type read-only property returns a string containing the type of event. It is set when the event is constructed and is the name commonly used to refer to the specific event.

The event argument of EventTarget.addEventListener() and EventTarget.removeEventListener() is case insensitive.

For a list of available event types, see the event reference

Syntax

event.type

Examples

var string = event.type;

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">

    <title>Event.type Example</title>

    <script>
        var currEvent = null;

        function getEvtType(evt) {
            console.log("//Start------------getEvtType(evt)------------ ");

            currEvent = evt.type;
            console.log(currEvent);

            //document.getElementById("Etype").firstChild.nodeValue = currEvent;
            document.getElementById("Etype").innerHTML = currEvent;

            console.log("//End--------------getEvtType(evt)------------ ");
        }

        //Keyboard events
        document.addEventListener("keypress", getEvtType, false); //[second]  

        document.addEventListener("keydown", getEvtType, false); //first
        document.addEventListener("keyup", getEvtType, false); //third

        //Mouse events
        document.addEventListener("click", getEvtType, false); // third

        document.addEventListener("mousedown", getEvtType, false); //first
        document.addEventListener("mouseup", getEvtType, false); //second

    </script>
</head>

<body>

    <p>Press any key or click the mouse to get the event type.</p>
    <p>Event type: <span id="Etype" style="color:red">-</span></p>

</body>
</html>

Specifications

Specification	Status	Comment
DOM The definition of 'Event.type' in that specification.	Living Standard
DOM4 The definition of 'Event.type' in that specification.	Working Draft
Document Object Model (DOM) Level 2 Events Specification The definition of 'Event.type' in that specification.	Recommendation	Initial definition.

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