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Document Object Model

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yht4ever

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Document Object Model XML http://yht4ever.blogspot.com [email_address] B070066 - NIIT Quang Trung 08/2007
Contents Exercises Validate and tranform an XML document Working with the XML DOM Introducing the DOM Objects Introduction
Introduction ,[object Object],[object Object]
Introducing the W3C DOM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introducing the W3C DOM (cont.) ,[object Object],[object Object],[object Object]
Introducing the W3C DOM (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introducing the W3C DOM (cont.) The following figure represents how a DOM tree is used by applications to access data:
DOM Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DOM classes and interfaces
Some Document methods.
Some Document properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Node methods
Some Node properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Some Node types
Element methods
Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Element script allows for including scripting code Instantiate Microsoft XML DOM object Load article.xml into memory; msxml parses article.xml and stores it as tree structure
Example (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Assign article as root element Place root element’s name in element strong and write it to browser Assign index to each child node of root node Retrieve root node’s first child node ( title )
Example (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Siblings are nodes at same level in document (e.g., title , date , author , summary and content ) Get first child’s next sibling ( date ) Get first child of date Get parent of date ( article )
Example (cont.)
Examlple (cont.) ,[object Object],[object Object]
To be continued… ,[object Object]
Reference ,[object Object],[object Object],[object Object]
Q&A ,[object Object],[object Object]
http://yht4ever.blogspot.com Thank You !

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Document Object Model