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HTML DOM doctype Propery

< Document Object

Example

Get the doctype name of an HTML document:

var x = document.doctype.name;

The result of x will be:

html
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Definition and Usage

The doctype property returns the doctype of the HTML document, as a DocumentType object.

The DocumentType object has a name property, which returns the name of the doctype.

Note: If the document has no doctype specified, the return value is null.


Browser Support

Property
doctype Yes Yes Yes Yes Yes

Note: In Internet Explorer 8 and earlier, this property returns null for HTML and XHTML documents, and will only work for XML documents.


Syntax

document.doctype

Technical Details

Return Value: The document's doctype, as a DocumentType object
DOM Version Core Level 1 Document Object

Related Pages

HTML reference: HTML <!DOCTYPE> Declaration


< Document Object