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Returns the Document Type Declaration (DTD) associated with current document. The returned object implements the DocumentType
interface. Use DOMImplementation.createDocumentType()
to create a DocumentType
.
Syntax
doctype = document.doctype;
doctype
is a read-only property.
Example
var doctypeObj = document.doctype; console.log( "doctypeObj.name: " + doctypeObj.name + "\n" + "doctypeObj.internalSubset: " + doctypeObj.internalSubset + "\n" + "doctypeObj.publicId: " + doctypeObj.publicId + "\n" + "doctypeObj.systemId: " + doctypeObj.systemId );
Notes
The property returns null
if there is no DTD associated with the current document.
DOM level 2 doesn't support editing the document type declaration.
Specifications
Specification | Status | Comment |
---|---|---|
Document Object Model (DOM) Level 3 Core Specification The definition of 'Document.doctype' in that specification. |
Recommendation | Changed return value for HTML documents with absent <html> element. Defines that the document type can be changed. |
Document Object Model (DOM) Level 2 Core Specification The definition of 'Document.doctype' in that specification. |
Recommendation | Initial definition |
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