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<!DOCTYPE html> <html> <body onmousedown="isKeyPressed(event)" style="border:1px solid black;padding:8px"> <h1>Mouse Events</h1> <h2>The ctrlKey Property</h2> <p>Click in this document.</p> <p>Click in this document when you hold down the Ctrl key.</p> <p id="demo"></p> <script> function isKeyPressed(event) { let text = ""; if (event.ctrlKey) { text = "The Ctrl key was pressed!"; } else { text = "The Ctrl key was NOT pressed!"; } document.getElementById("demo").innerHTML = text; } </script> </body> </html>
