KeyboardEvent.shiftKey

The KeyboardEvent.shiftKey read-only property is a boolean value that indicates if the shift key was pressed (true) or not (false) when the event occurred.

Value

A boolean value.

Examples

<html lang="en-US">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />
    <title>shiftKey example</title>

    <script>
      function showChar(e) {
        alert(
          "Key Pressed: " +
            String.fromCharCode(e.charCode) +
            "\n" +
            "charCode: " +
            e.charCode +
            "\n" +
            "SHIFT key pressed: " +
            e.shiftKey +
            "\n" +
            "ALT key pressed: " +
            e.altKey +
            "\n"
        );
      }
    </script>
  </head>

  <body onkeypress="showChar(event);">
    <p>
      Press any character key, with or without holding down the SHIFT key.<br />
      You can also use the SHIFT key together with the ALT key.
    </p>
  </body>
</html>

Specifications

Specification
UI Events
# dom-keyboardevent-shiftkey

Browser compatibility

BCD tables only load in the browser

See also