KeyboardEvent: ctrlKey property

TheKeyboardEvent.ctrlKeyread-only property returns a boolean value that indicates if thecontrolkey was pressed (true) or not (false) when the event occurred.

Value

A boolean value.

Examples

html
<html lang= "en" >
<head>
<title>ctrlKey example</title>
<script>
function showChar(e) {
alert(`Key Pressed: ${e.key}\nCTRL key pressed: ${e.ctrlKey}\n`);
}
</script>
</head>
<body onkeypress= "showChar(event);" >
<p>
Press any character key, with or without holding down the CTRL key.<br />
You can also use the SHIFT key together with the CTRL key.
</p>
</body>
</html>

Specifications

Specification
UI Events
#dom-keyboardevent-ctrlkey

Browser compatibility

BCD tables only load in the browser

See also