HTML DOM specified Property

The DOM specified property is used to return the boolean value. It returns true if the element has a specified attribute, otherwise, it returns a false value if the element does not have a specific attribute.

Syntax:

attribute.specified

Return value: It returns the boolean value which represents whether the specific attribute is attached to an element or not.

Example: In this example, we will see the use of DOM specified property

HTML

<!DOCTYPE html>
<html>
 
<head>
    <title>
        HTML DOM specified Property
    </title>
</head>
 
<body>
    <center>
        <h1 style="color:green">
            GeeksForGeeks
        </h1>
        <h2>DOM specified Property </h2>
        <button onclick="Geeks()">
            Submit
        </button>
        <p id="sudo"></p>
       
        <script>
            function Geeks() {
                let x =
                    document.getElementsByTagName("P")[0];
                let w =
                    x.getAttributeNode("ID").specified;
                document.getElementById("sudo").innerHTML =
                    w;
            }
        </script>
    </center>
</body>
 
</html>