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HTML | DOM TouchEvent ctrlKey Property

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The TouchEvent ctrlKey property is a read-only property and used for returning a Boolean value which indicates whether or not the “CTRL” key was pressed when a touch event was triggered. It mostly returns false because generally, touch devices do not have a ctrl key. 

Syntax :


Return Value: It returns true if the ctrl key is pressed, else it returns false

Below program illustrates the TouchEvent ctrlKey property : 

Example: Finding out whether the “CTRL” key was pressed on the touch screen or not. 


<!DOCTYPE html>
<meta name="viewport"
    <title>TouchEvent ctrlKey property in HTML
        h1 {
            color: green;
        h2 {
            font-family: Impact;
        body {
            text-align: center;
<body ontouchstart="isKeyPressed(event)">
    <h2>TouchEvent ctrlKey property</h2>
    <p>Touch somewhere in the document and wait
      for an alert to tell if the CTRL key was
      pressed or not.</p>
        function count(event) {
            //  Check ctrl key has been pressed or not.
            if (event.ctrlKey) {
                alert("CTRL key has been pressed!");
            } else {
                alert("CTRL key has not been pressed!");


  • Before clicking the button: 

  • After clicking the button: 

Supported Browsers:

  • Google Chrome 22 and above
  • Firefox 52 and above
  • Edge 79 and above
  • Opera 15 and above

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Last Updated : 13 Jun, 2022
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