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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><p>Click anywhere in this document to see the x and y coordinates of the mouse pointer.</p><p id="demo"></p><script>function showCoords(event) { let x = event.pageX; let y = event.pageY; let text = "X coords: " + x + ", Y coords: " + y; document.getElementById("demo").innerHTML = text;}</script></body></html>