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<html><body><div onmousedown="WhichButton(event)">Click this text with one of your mouse buttons to return a number. <p> 1 = The left mouse button<br> 2 = The right mouse button<br> 4 = The middle mouse button<br> 8 = The fourth mouse button (typically the "Browser Back" button)<br> 16 = The fifth mouse button (typically the "Browser Forward" button)<br> </p></div><p><strong>Tip:</strong> The return values are combined if you press two buttons at once.</p><p><strong>Note:</strong> The buttons property is not supported in IE8 and earlier and Safari.</p><h2>You pressed button: <span id="demo"></span></h2><script>function WhichButton(event) { var x = event.buttons; document.getElementById("demo").innerHTML = x;}</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_event_mouse_buttons by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:40:06 GMT --></html>