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HTML | DOM MouseEvent clientY Property

  • Last Updated : 29 Jan, 2019

The MouseEvent clientY property is a read-only property which is used to return the vertical coordinate of the mouse pointer based on the current window when a mouse event was triggered.

Syntax :


Return Value: It returns a number which represents the vertical coordinate of the mouse pointer in pixels.

Below program illustrates the MouseEvent clientY property:

Finding out the vertical coordinates of the mouse pointer when the mouse button is clicked on an element.

<!DOCTYPE html>
    <title>MouseEvent clientY Property</title>
        h1 {
            color: green;
        h2 {
            font-family: Impact;
        body {
            text-align: center;
    <h2>MouseEvent clientY Property</h2>
    <p onclick="coord(event)">
        To get the y coordinates of the mouse pointer,
        click on this paragraph. </p>
    <p id="gfg"></p>
        function coord(event) {
            var getYcoord = event.clientY;
            var result = "Y coordinate: " + getYcoord;
            document.getElementById("gfg").innerHTML = result;


After clicking the button

Supported Web Browsers:

  • Opera
  • Internet Explorer
  • Google Chrome
  • Firefox
  • Apple Safari

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