The DocumentType interface represents a Node containing a doctype.
DocumentType
Properties
Inherits properties from its parent, Node.
-
DocumentType.internalSubsetRead only Deprecated -
A
DOMStringof the internal subset, ornullif there is none. Eg"<!ELEMENT foo (bar)>". -
DocumentType.nameRead only -
A
DOMString, eg"html"for<!DOCTYPE HTML>. -
DocumentType.notationsRead only Deprecated -
A
NamedNodeMapwith notations declared in the DTD. -
DocumentType.publicIdRead only -
A
DOMString, eg"-//W3C//DTD HTML 4.01//EN", empty string for HTML5. -
DocumentType.systemIdRead 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
NodeorDOMStringobjects in the children list of theDocumentType's parent, just after theDocumentTypeobject. -
DocumentType.before() -
Inserts a set of
NodeorDOMStringobjects in the children list of theDocumentType's parent, just before theDocumentTypeobject. -
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 # 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
|
4.4
|
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
