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<html><style>div {border:1px solid red; height:300px;}span {font-size:30px;}</style><body><h1>Mouse Events</h1><h2>The offsetY Property</h2><p>The offsetY property returns the y-coordinate the mouse cursor, relative to the target element.</p><p>In this example, the red DIV is the target element.</p><p>Click inside the red DIV element:</p><div onclick="myFunction(event)" style="border:2px solid red;height:100px"></div><p id="demo"></p><script>function myFunction(event) { let y = event.offsetY; document.getElementById("demo").innerHTML = "The y-coordinate is: " + y;}</script></body></html>