The basic purpose of an XML doucment is to hide the data for a web page. Hence, the compatibility of an XML document with the internet browser is very important. Usually, all the browsers have an inbuilt XML parser; the function of which is to read, understand and manipulate XML. It converts the XML content into a Java Script accessible object (XML DOM). The XML DOM will contain methods or functions to read the XML tree completely. An XML tree is nothing but a formal structure which starts at the root and has subsequnt branches (the XML structure, to be precise). These methods help the XML DOM to traverse the XML tree,access,insert or even delete some nodes accordingly.
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