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SharpKit Reference

DocumentFragment Class

DocumentFragment
is a "lightweight" or "minimal"
Document
object. It is very common to want to be able to extract a portion of a document's tree or to create a new fragment of a document. Imagine implementing a user command like cut or rearranging a document by moving fragments around. It is desirable to have an object which can hold such fragments and it is quite natural to use a Node for this purpose. While it is true that a
Document
object could fulfill this role, a
Document
object can potentially be a heavyweight object, depending on the underlying implementation. What is really needed for this is a very lightweight object.
DocumentFragment
is such an object.
Furthermore, various operations -- such as inserting nodes as children of another
Node
-- may take
DocumentFragment
objects as arguments; this results in all the child nodes of the
DocumentFragment
being moved to the child list of this node.
The children of a
DocumentFragment
node are zero or more nodes representing the tops of any sub-trees defining the structure of the document.
DocumentFragment
nodes do not need to be well-formed XML documents (although they do need to follow the rules imposed upon well-formed XML parsed entities, which can have multiple top nodes). For example, a
DocumentFragment
might have only one child and that child node could be a
Text
node. Such a structure model represents neither an HTML document nor a well-formed XML document.
When a
DocumentFragment
is inserted into a
Document
(or indeed any other
Node
that may take children) the children of the
DocumentFragment
and not the
DocumentFragment
itself are inserted into the
Node
. This makes the
DocumentFragment
very useful when the user wishes to create nodes that are siblings; the
DocumentFragment
acts as the parent of these nodes so that the user can use the standard methods from the
Node
interface, such as
insertBefore
and
appendChild
.
See also the Document Object Model (DOM) Level 2 Core Specification.

Namespace: SharpKit.Html

Base Types

System.Object

Constructors

Name Description
DocumentFragment()
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