JavaScript MouseEvent ctrlKey Property
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
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