HTML | DOM KeyboardEvent shiftKey Property

Last Updated : 06 Jul, 2022

The KeyboardEvent shiftKey property in HTML DOM is a read-only property and used to return a Boolean value which indicates the SHIFT key is pressed or not. The KeyboardEvent shiftKey property returns true if the SHIFT key is pressed, otherwise returns false.

Syntax:

event.shiftKey

Below program illustrates the KeyboardEvent shiftkey Property in HTML DOM:

Example: This example check whether the SHIFT key is pressed or not.

html

<!DOCTYPE html>
<html>
     
<head> 
    <title>
        HTML DOM KeyboardEvent shiftKey Property
    </title> 
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1> 
     
    <h2>KeyboardEvent shiftKey Property</h2>
     
    <p>
        Check whether the SHIFT key is pressed or not
    </p> 
     
    <input type="text" onkeydown="keyboard(event)">
     
    <p id="test"></p>
     
    <!-- script to check shift key is pressed or not -->
    <script>
        function keyboard(event) {
            var a = document.getElementById("test");
             
            if (event.shiftKey) {
                a.innerHTML = "The Shift key has been pressed!";
            } 
            else {
                a.innerHTML = "The Shift key has not been pressed!";
            }
        }
    </script>
</body>
 
</html>                                        