HTML | DOM implementation Property

Last Updated : 25 Jul, 2019

The DOM implementation property in HTML is used to returns the DOMImplementation object associated with the current document. The DOMImplementation is the interface represents a method providing the object which is not dependent on any particular document.

Syntax:

document.implementation

Return Value: It returns the document implementation object.

Example 1:

<!-- HTML code to check the document
has HTML DOM 1.0 feature -->
<!DOCTYPE html>
<html>
    <head>
        <title>
            HTML DOM implementation Property
        </title>
          
        <script>
            function DomFunction() {
                var obj = document.implementation;
                document.getElementById("demo").innerHTML 
                    = obj.hasFeature("HTML", "1.0");
            }
        </script>
    </head>
      
    <body>
        <h2>HTML DOM implementation Property</h2>
          
        <p>Click on button to check the document
        has HTML DOM 1.0 feature</p>
          
        <button onclick = "DomFunction()">
            Click Here!
        </button>
          
        <p id = "demo"></p>
    </body>
</html>                    

Output:
Before Click on the button:

After Click on the button:

Example 2:

<!DOCTYPE html>
<html>
    <head>
        <title>
            HTML DOM implementation Property
        </title>
    </head>
      
    <body>
        <h2>HTML DOM implementation Property</h2>
        <script>
            var DOM_Name = "HTML";
            var DOM_Ver = "1.0";
            var GFG = document.implementation.hasFeature( 
                        DOM_Name, DOM_Ver);
              
            alert( "DOM " + DOM_Name + " " + DOM_Ver 
                + " supported? " + GFG );
        </script>
    </body>
</html>                                

Output:
dom

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

Google Chrome
Internet Explorer
Firefox
Opera
Safari

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