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<html><body onclick="showCoords(event)" style="border:1px solid black;padding:4px"><h1>Mouse Events</h1><h2>The pageX and PageY Properties</h2><div><p>Click anywhere in this document to show the x and y coordinates of the mouse pointer.</p><p id="demo"></p></div><script>function showCoords(event) { let pX = event.pageX; let pY = event.pageY; let sX = event.screenX; let sY = event.screenY; let coords1 = "pageX: " + pX + ", pageY: " + pY; let coords2 = "screenX: " + sX + ", screenY: " + sY; document.getElementById("demo").innerHTML = coords1 + "<br>" + coords2;}</script></body></html>