Short for document object model, the specification for how objects in a web page (text, images, headers, links, etc. The document object model does not define what information in a document is relevant or how information in a document is structured for xml, this is specified by the w3c xml information set [infoset] the dom is simply an api [p97] to this information set the document object model, despite its name,. Each dom node object has a nodetype property, which contains a code ( number) that identifies the type of node elements have code 1, which is also defined as the constant property documentelement_node text nodes, representing a section of text in the document, get code 3 ( document text_node ) comments.
The object model in the dom is a programming object model that comes from object-oriented design (ood) it refers to the fact that the interfaces are defined in terms of objects the name document object model was chosen because it is an object model in the traditional ood sense: documents are. Language binding will be source code compatible across platforms, but the dom does not define any form of binary interoperability the document object model is not a way of persisting objects to xml or html instead of specifying how objects may be represented in xml, the dom specifies how xml and.
In this chapter defining the document object model dom core level i creating document objects node interface nodelist and namednodemap document interface element interface attr interface additional interfaces creating dom elements dom level ii the dom core defined. Computer dictionary definition for what dom (document object model) means including related links, information, and terms.
Dom is stands for document object model it is the w3c(world wide web consortium) standard it define standard for accessing and manipulating html and xml document and the elements of dom is head,title,body tag etc so the answer of your first statement is statement #1 you can add multiple. Definition of: dom (1) see disk on module (2) (document object model) a programming interface (api) from the w3c that lets applications and scripts access the content of html, xml and xhtml files in a hierarchical tree structure the dom was introduced in 1998 a web page looks like a tree the dom. The document object model (dom) is a cross-platform and language- independent application programming interface that treats an html, xhtml, or xml document as a tree structure wherein each node is an object representing a part of the document the objects can be manipulated programmatically and any visible. So choosing to do everything in dom means that you will only have to deal with one set of apis, rather than two in addition, the dom standard is a codified standard for an in-memory document model it is powerful and robust, and it has many implementations that is a significant decision-making factor for many large.