DocumentType

The DocumentType interface represents a Node containing a doctype.

Properties

Inherits properties from its parent, Node.

DocumentType.internalSubset Read only

A DOMString of the internal subset, or null if there is none. Eg "<!ELEMENT foo (bar)>".

DocumentType.name Read only

A DOMString, eg "html" for <!DOCTYPE HTML>.

DocumentType.notations Read only

A NamedNodeMap with notations declared in the DTD.

DocumentType.publicId Read only

A DOMString, eg "-//W3C//DTD HTML 4.01//EN", empty string for HTML5.

DocumentType.systemId Read only

A DOMString, eg "http://www.w3.org/TR/html4/strict.dtd", empty string for HTML5.

Methods

Inherits methods from its parent, Node.

DocumentType.after()

Inserts a set of Node or DOMString objects in the children list of the DocumentType's parent, just after the DocumentType object.

DocumentType.before()

Inserts a set of Node or DOMString objects in the children list of the DocumentType's parent, just before the DocumentType object.

DocumentType.remove()

Removes the object from its parent children list.

DocumentType.replaceWith()

Replaces the document type with a set of given nodes.

Specifications

Specification
DOM Standard (DOM)
# interface-documenttype

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
DocumentType
1
12
1
9
≤12.1
3
1
18
4
≤12.1
1
1.0
after
54
17
49
No
39
10
54
54
49
41
10
6.0
before
54
17
49
No
39
10
54
54
49
41
10
6.0
entities
1-34
12-79
1-6
9
≤12.1-21
3-10
1-37
18-34
4-6
≤12.1-21
1-10
1.0-2.0
internalSubset
1-37
12-79
No
9
≤12.1-24
3-10.1
1-37
18-37
No
≤12.1-24
1-10.3
1.0-3.0
name
1
12
1
9
≤12.1
3
1
18
4
≤12.1
1
1.0
notations
1-34
12-79
1-6
9
≤12.1-21
3-10
1-37
18-34
4-6
≤12.1-21
1-10
1.0-2.0
publicId
1
12
1
9
≤12.1
3
1
18
4
≤12.1
1
1.0
remove
24
12
23
No
15
7
≤37
25
23
14
7
1.5
replaceWith
54
17
49
No
39
10
54
54
49
41
10
6.0
systemId
1
12
1
9
≤12.1
3
1
18
4
≤12.1
1
1.0

See also

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DocumentType