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JavaScript XML Parser Properties

XML Parser in JavaScript comes with predefined properties that allows us to read the XML content. This article will go through all the properties getting used in the XML Parser Object.

Note:
All XML Object properties are case-sensitive.

The various properties of XML Parsers are:

• documentElement
  documentElement property will always point to the root element of the xml document
  Syntax:
  xml_object.documentElement

• childNodes
  childNodes property will always hold array of children nodes from the current pointing node
  Syntax:
  xml_object.current_pointing_node.childNodes[Array Index]

NOTE:
With respect to the childNodes Properties

• For Internet Explorer the Array Index Starts from 0
• For Mozilla Firefox the Array Index Starts from 1






• getElementsByTagName
  This properties allows you to point to any tag name provided you have to specify that tag name as a parameter. So it is mandatory to know the xml structure to use this property. It always returns an array of nodes
  Syntax:
  xml_object.getElementsByTag(Tag Name)

length
length property is used along with childNodes/getElementsByTagName to get the number of nodes retrieved
Syntax:
xml_object.current_pointing_node.childNodes.length

firstChild
This property will point to the first occurance of the child node found from the current pointing node. (IE Specific)
Syntax:
xml_object.firstChild

lastChild
Will point to the last occurance of the child node found from the current pointing node. (IE Specific)
Syntax:
xml_object.lastChild

attributes
Allows you to access the attributes values for the elements. This property is used along with the nodeValue property
Syntax:
xml_object.current_pointing_node.attributes[Attribute Name/Array Index]

nodeValue
Return you the values assigned to the attributes. This properties is only used to extract the attribute content
Syntax:
xmlDoc.current_pointing_node.attributes[Attribute Name/Array Index].nodeValue

text
Returns the text content assigned to the tag elements. This property cannot be used for reading attribute content. Also this property can only be used for Microsoft Browsers
Syntax:
xml_object.current_pointing_node.text

textContent
Returns the text content assigned to the tag elements. This property cannot be used for reading attribute content. Also this property can only be used for Mozilla, Firefox, Opera Browsers
Syntax:
xml_object.current_pointing_node.textContent

hasChildNodes
Return boolean value indicating the current pointing node has child nodes or not
Syntax:
xml_object.hasChildNodes

tagName
Return you the element name
Syntax:
xml_object.current_pointing_node.tagName

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