MouseEvent ctrlKey Property
Example
Was the "CTRL" key pressed when the mouse button was clicked:
if (event.ctrlKey) {
text = "The CTRL key was pressed!";
} else {
text = "The CTRL key was NOT pressed!";
}
Try it Yourself »
Description
The ctrlKey property returns true if
the CTRL key is pressed when a mouse event occurs.
Otherwise it returns false.
The ctrlKey property is read-only.
Syntax
event.ctrlKey
Technical Details
| Return Value: |
A Boolean. Returns true if the CTRL key was pressed when a mouse event occurs.Otherwise it returns false. |
|---|---|
| DOM Version: | DOM Level 2 Events. |
Browser Support
event.ctrlKey is a DOM Level 2 (2001) feature.
It is fully supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | 9-11 |
