The DocumentType interface represents a Node containing a doctype.
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Properties
Inherits properties from its parent, Node, and implements the ChildNode interface.
DocumentType.entitiesRead only- A
NamedNodeMapof entities declared in the DTD. Every node in this map implements theEntityinterface. DocumentType.internalSubsetRead only- 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- A
NamedNodeMapwith notations declared in the DTD. Every node in this map implements theNotationinterface. 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, and implements the ChildNode interface.
ChildNode.remove()- Removes the object from its parent children list.
Specifications
| Specification | Status | Comment |
|---|---|---|
| DOM The definition of 'DocumentType' in that specification. |
Living Standard | Added implemention of the ChildNode interface.Removed the internalSubset, entities, and notation properties. |
| Document Object Model (DOM) Level 3 Core Specification The definition of 'DocumentType' in that specification. |
Obsolete | No change from Document Object Model (DOM) Level 2 Core Specification. |
| Document Object Model (DOM) Level 2 Core Specification The definition of 'DocumentType' in that specification. |
Obsolete | Added the publicID, systemID, and internalSubset properties. |
| Document Object Model (DOM) Level 1 Specification The definition of 'DocumentType' in that specification. |
Obsolete | Initial definition |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DocumentType | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
entities | Chrome No support No | Edge No support 12 — 79 | Firefox No support 1 — 6 | IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android No support No | Firefox Android No support 4 — 6 | Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
internalSubset | Chrome No support No | Edge No support 12 — 79 | Firefox No support No | IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android No support No | Firefox Android No support No | Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
name | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
notations | Chrome No support No | Edge No support 12 — 79 | Firefox No support 1 — 6 | IE No support No | Opera No support No | Safari No support No | WebView Android No support No | Chrome Android No support No | Firefox Android No support 4 — 6 | Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
publicId | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
systemId | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.