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;">
GeeksforGeeks
</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:
Javascript MouseEvent ctrlKey PropertyJavascript MouseEvent ctrlKey Property
Supported Browsers: The browser supported by the ctrlKey property are listed below:
- Apple Safari
- Google Chrome
- Firefox
- Opera
- Internet Explorer