XML DOM | Element Object

Hello folks! welcome back to a new section of our tutorial on XML DOM. In this tutorial post, we are going to be studying about the XML DOM Element Object.

The XML DOM elements can be defined as building blocks of XML. Elements behaves as containers to hold elements, attributes, text, media object or all of these. Whenever a parser parses an XML document against the well-formedness, the parser navigates through an element node. An element node contains the text within it which is called as the text node.

The XML DOM Element Object inherits the properties and methods of the Node object as the element object is also considered as a Node. Besides the node object properties and methods, it has the following methods and properties

Element Object Properties

The following table lists the attributes of the XML DOM Element Object -

Attribute	Type	Description
tagName	DOMString	It gives the name of the tag for the specified element.
schemaTypeInfo	TypeInfo	It represents the type information associated with this element.

Element Object Methods

The following table lists the methods of the XML DOM Element Object -

Methods	Type	Description
getAttribute()	DOMString	Retrieves the value of the attribute if exists for the specified element.
getAttributeNS()	DOMString	Retrieves an attribute value by local name and namespace URI.
getAttributeNode()	Attr	Retrieves the name of the attribute node from the current element.
getAttributeNodeNS()	Attr	Retrieves an Attr node by local name and namespace URI.
getElementsByTagName()	NodeList	Returns a NodeList of all descendant Elements with a given tag name, in document order.
getElementsByTagNameNS()	NodeList	Returns a NodeList of all the descendant Elements with a given local name and namespace URI in document order.
hasAttribute()	boolean	Returns true when an attribute with a given name is specified on this element or has a default value, false otherwise.
hasAttributeNS()	boolean	Returns true when an attribute with a given local name and namespace URI is specified on this element or has a default value, false otherwise.
removeAttribute()	No Return Value	Removes an attribute by name.
removeAttributeNS	No Return Value	Removes an attribute by local name and namespace URI.
removeAttributeNode()	Attr	Specified attribute node is removed from the element.
setAttribute()	No Return Value	Sets a new attribute value to the existing element.
setAttributeNS()	No Return Value	Adds a new attribute. If an attribute with the same local name and namespace URI is already present on the element, its prefix is changed to be the prefix part of the qualifiedName, and its value is changed to be the value parameter.
setAttributeNode()	Attr	Sets a new attribute node to the existing element.
setAttributeNodeNS	Attr	Adds a new attribute. If an attribute with that local name and that namespace URI is already present in the element, it is replaced by the new one.
setIdAttribute	No Return Value	If the parameter isId is true, this method declares the specified attribute to be a user-determined ID attribute.
setIdAttributeNS	No Return Value	If the parameter isId is true, this method declares the specified attribute to be a user-determined ID attribute.

READ: XML DOM | Notation Object systemId Attribute

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about XML DOM Element Object tagName Attribute.

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