KeyboardEvent: ctrlKey property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
TheKeyboardEvent.ctrlKey read-only property returns aboolean value that indicates if thecontrol key was pressed(true) or not (false) when the event occurred.
Value
A boolean value.
Examples
html
<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></pre>js
const output = document.getElementById("output");function showChar(e) { output.textContent = `Key KeyDown: "${e.key}"CTRL key KeyDown: ${e.ctrlKey}`;}document.addEventListener("keydown", showChar);Specifications
| Specification |
|---|
| UI Events # dom-keyboardevent-ctrlkey |