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<!DOCTYPE html> <html> <body> <h1>Mouse Events</h1> <h2>The buttons Property</h2> <div onmousedown="WhichButton(event)" style="border:1px solid black;padding:8px"> <p>Click in this box with a mouse button.</p> <p> 1 = The left button<br> 2 = The right button<br> 4 = The middle button<br> 8 = The fourth button (Browser Back)<br> 16 = The fifth button (Browser Forward)<br> </p> </div> <p>The values are combined if you press two buttons at once.</p> <p>You pressed: <span id="demo"></span></p> <script> function WhichButton(event) { let x = event.buttons; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
