The mouseEvent ctrlKey property is used to define whether the ctrl key is pressed or not. It is a boolean value. When the ctrl key is pressed then on click of the mouse buttons it returns true and if it is not pressed then it returns false.
Syntax:
event.ctrlKey
Return Value: It returns a boolean value indicating whether the ctrl key is pressed or not.
- true: it indicates the ctrl key is pressed.
- false: it indicates the ctrl key is not pressed.
Example: In this example, we will see the example of MouseEvent ctrlKey property.
html
< body style = "text-align:center;" > < h1 style = "color:green;" > neveropen </ h1 > < h2 > mouseEvent ctrlKey Property </ h2 > < button onclick = "geek (event);" >Get Ctrl key state!</ button > < p id = "gfg" ></ p > < script > function geek (event) { if (event.ctrlKey) { document.getElementById("gfg") .innerHTML = "Ctrl key is pressed."; } else { document.getElementById("gfg") .innerHTML= ("Ctrl key is not pressed."); } } </ script > </ body > |
Output:
Supported Browsers: The browser supported by the ctrlKey property are listed below:
- Apple Safari
- Google Chrome
- Firefox
- Opera
- Internet Explorer