HTML | DOM Style outlineOffset Property

The Style outlineOffset property is used for offsetting an outline and draw it beyond the border edge.
Outlines do not take space, unlike borders. It returns a string which represents the outline-offset property of an element.

Syntax:

object.style.outlineOffset

Property values:

object.style.outlineOffset = "length|initial|inherit"

Below program illustrates the Style outlineOffset property method:

Example:

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code

<!DOCTYPE html>
<html>
  
<head>
    <title>Style outlineOffset Property in HTML</title>
    <style>
        #samplediv {
            margin: auto;
            border: 2px green;
            outline: coral solid 4px;
            width: 250px;
            height: 50px;
        }
          
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
  
    <h1>GeeksforGeeks</h1>
    <h2>Style outlineOffset Property</h2>
    <br>
  
    <p>For moving the ouline border outside the border edge, double click the "Change Outline Border" button: </p>
    <br>
  
    <button ondblclick="outline()">
        Change Outline Border
    </button>
  
    <div id="samplediv">
        <h1>Geeksforgeeks</h1>
    </div>
  
    <script>
        function outline() {
            document.getElementById("samplediv")
                .style.outlineOffset = "20px";
        }
    </script>
  
</body>
  
</html>   

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Output:

  • After clicking the button

Supported Web Browsers

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


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