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<html><body><p>Press a key on the keyboard in the input field to find out if the CTRL key was pressed or not.</p><input type="text" onkeydown="isKeyPressed(event)"><p id="demo"></p><script>function isKeyPressed(event) { var x = document.getElementById("demo"); if (event.ctrlKey) { x.innerHTML = "The CTRL key was pressed!"; } else { x.innerHTML = "The CTRL key was NOT pressed!"; }}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_event_key_ctrlkey by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:40:08 GMT --></html>