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    document.doctype

    Summary

    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;
    
    alert(
      "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.

    Specification

    Document Tags and Contributors

    Last updated by: kscarfone,
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