HTML DOM Document doctype

Example

Get the doctype name of an HTML document:

const doctypeObj = document.doctype.name;
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Description

The doctype property returns a document's doctype (as a DocumentType object).

The doctype property returns null if the document has no doctype.

The doctype property is read-only.

The doctype.name property returns the name of the doctype.


Syntax

document.doctype

Return Value

Type Description
ObjectA DocumentType object.

Browser Support

document.doctype is a DOM Level 1 (1998) feature.

It is fully supported in all browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes 9-11


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