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HTML DOM doctype Property

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The DOM doctype property is used to return the doctype of any HTML document. The DocumentType object is the name property used to return the name of the object. If there is no doctype declared in the document then it returns a Null value. 

Syntax:

document.doctype

Example: In this example, we will use the doctype property for getting the doctype of HTML.

HTML

<!DOCTYPE html.5>
<html>
   
<head>
    <title>DOM doctype Property</title>
    <style>
        h1,
        h2 {
            color: green;
        }
    </style>
</head>
 
<body style="text-align:center;">
    <h1>GeeksForGeeks</h1>
    <h2>DOM doctype Property</h2>
    <button onclick="geeks()">Submit</button>
    <p id="sudo"></p>
    <script>
        function geeks() {
            let gfg = document.doctype.name;
            document.getElementById("sudo").innerHTML = gfg;
        }
    </script>
</body>
   
</html>

                    

Output:

HTML DOM doctype Property

HTML DOM doctype Property

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

  • Google Chrome 1
  • Edge 12
  • Firefox 1
  • Opera 12.1
  • Safari 1

Last Updated : 03 Aug, 2023
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