Baseline Widely available
The KeyboardEvent.ctrlKey
read-only property returns a boolean value that indicates if the control key was pressed (true
) or not (false
) when the event occurred.
A boolean value.
Examples<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>
<pre id="output"></pre>
const output = document.getElementById("output");
function showChar(e) {
output.textContent = `Key KeyDown: "${e.key}"
CTRL key KeyDown: ${e.ctrlKey}
`;
}
document.addEventListener("keydown", showChar);
Specifications Browser compatibility See also
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4