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HTML | DOM MouseEvent offsetY Property
  • Last Updated : 31 Jan, 2019
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The MouseEvent offsetY property is a read-only property and is used for returning the y-coordinate of the mouse pointer, relative to the target element.

The MouseEvent offsetY property returns a number which represents the vertical coordinate of the mouse pointer, in pixels with respect to the screen.

Syntax :

event.offsetY

Below program illustrate the MouseEvent offsetY property :

Program: Finding out the vertical coordinate of the mouse pointer relative to a <div> element.






<!DOCTYPE html>
<html>
<head
    <title>MouseEvent offsetY Property in HTML</title
    <style
    div
    {
        border:3px solid green;
        height:100px;
        width:500px;
    }
      
    h1 
    
        color:green; 
    
      
    h2
    {
        font-family: Impact;
    }
      
    body 
    
        text-align:center; 
    }
    </style
</head>
  
<body>
    <h1>GeeksforGeeks</h1
      
    <h2>MouseEvent offsetY Property</h2>
      
    <p>
        Click inside the green box to get the 
        y-coordinate relative to the top edge.
    </p
      
    <div onclick="coord(event)"></div>
      
    <p>
        The y-coordinate, relative to the top edge 
        of the DIV element is: 
        <span id="test"></span>
    </p>
      
    <script>
        function coord(event) 
        {
            var c = event.offsetY;
            document.getElementById("test").innerHTML = c;
        }
    </script>
</body>
</html>                                        

Output:

After clicking the button

Supported Web Browsers

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

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