By Joe Marini
Record item version Analogy: in lots of methods, the record item version (DOM) may be in comparison to the schematic of a home. A house's schematic info the relation and location of gadgets inside a home. for example, inside of a schematic, you may comprehend the connection of the sink to the wall, in addition to the corresponding plumbing. In different phrases, the schematic defines the connection of 1 item to a different and infrequently, illustrates the foundations through which they're ruled. HTML and XML files also are composed of items, and even though those gadgets is probably not actual, like a sink, their corporation and interplay continues to be coordinated by way of a suite of ideas. for this reason, the DOM acts as a beginning for the location and interplay of gadgets inside of a record. no matter if the thing is a desk, a section of data, or a script, the DOM specifies a version for the interplay of those gadgets. For builders, an intensive knowing of those relationships is paramount, and infrequently, it types the root for a system's improvement.
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Additional resources for Document object model : processing structured documents
Traversal Provides utility interfaces for selectively traversing and filtering a document’s content. Style/CSS Provides base interfaces for supporting any kind of style sheet. When a module provides support for a specific type of style sheet language, it includes interfaces that are derived from these base interfaces. For example, the CSS module provides interfaces that allow programmatic access to CSS constructs from within DOM applications. Views Provides interfaces that allow documents to have more than one view of the document source.
Load/Save Specifies interfaces for serializing a document to and from persistent storage. 0 syntax for declaratively locating nodes within a DOM document. Conventions Used in the DOM Specification When reading the W3C DOM specification, there are some important issues that you need to keep in mind. First, because the DOM was intended to be used in a multitude of programming environments and implementation languages, the DOM Working Group had to select an interface definition language (IDL) with which to define the interfaces that would lend itself to a language- and platform-independent spec.
If the deep argument is true, the entire subtree under the source node is imported as well. This argument has no effect on nodes that cannot have child nodes. Certain types of nodes, such as Documents and DocumentTypes, cannot be imported. NOTE There are certain implications of importing nodes based upon the type of node being imported. See the detailed description of the Element interface in the W3C DOM specification for more information. Chapter 2: How the DOM Represents Structured Documents The getElementByID() method returns the Element whose ID matches the elementID argument.
Document object model : processing structured documents by Joe Marini