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 represent the specific attribute is attached to an element or not.

Example:

<!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() { 
                    var x =  
                        document.getElementsByTagName("P")[0]; 
                    var w =  
                        x.getAttributeNode("ID").specified; 
                    document.getElementById("sudo").innerHTML = 
                        w; 
                } 
            </script> 
        </center> 
    </body> 
</html>                     

Output:
Before click on the button:

After click on the button:

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

Google Chrome
Internet Explorer
Firefox
Opera
Safari

My Personal Notes

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