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.specifiedReturn 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
<!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>
Output:

Supported Browsers: The browser supported by DOM specified property are listed below: