DocumentType
DocumentType
介面表示了一個代表文件類型的 Node
節點。
屬性
此介面繼承了其父介面 Node
的屬性,以及實作了 ChildNode
介面。
DocumentType.entities
Read only- A
NamedNodeMap
of entities declared in the DTD. Every node in this map implements theEntity
interface. DocumentType.internalSubset
Read only- A
DOMString
of the internal subset, ornull
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. Every node in this map implements theNotation
interface. 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.
方法
此介面繼承了其父介面 Node
的方法,以及實作了 ChildNode
介面。
ChildNode.remove()
- Removes the object from its parent children list.
規範
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 |
瀏覽器相容性
We're converting our compatibility data into a machine-readable JSON format.
This compatibility table still uses the old format,
because we haven't yet converted the data it contains.
Find out how you can help!
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 1.0 | (Yes) | 1.0 (1.7 or earlier) | (Yes) | (Yes) | (Yes) |
entities and notations |
1.0[1] | (Yes)[3] | 1.0 (1.7 or earlier) No support6.0 (6.0) |
(Yes)[3] | (Yes)[1] | (Yes) |
internalSubset |
? | (Yes) | No support (not anymore in any case) | (Yes) | ? | ? |
Implements ChildNode |
29.0 | (Yes) | 25.0 (25.0)[2] | No support | 16.0 | No support |
Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | 1.0 (1.0) | (Yes) | (Yes) | (Yes) |
entities and notations |
(Yes)[1] | (Yes) | 1.0 (1.0) No support6.0 (6.0) |
? | (Yes) | (Yes) |
internalSubset |
? | ? | ? | ? | ? | ? |
Implements ChildNode |
(Yes) | (Yes) | 25.0 (25.0)[2] | No support | 16.0 | No support |
[1] The Chromium project plans to drop supports for the internalSubset
, entities
and notations
methods.
[2] Firefox 25 also added the previousElementSibling
and nextElementSibling properties
, this was removed in Firefox 28 due to compatibility problems.
[3] entities
and notations
properties exist in IE and Edge, but seem to always be null
?