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XML DOM Tutorial
DOM Introduction
DOM Nodes
DOM Node Tree
DOM Parsing
DOM Load Function
DOM Methods
DOM Accessing
DOM Node Info
DOM Node List
DOM Traversing
DOM Browsers
DOM Navigating

Manipulate Nodes
DOM Get Values
DOM Change Nodes
DOM Remove Nodes
DOM Replace Nodes
DOM Create Nodes
DOM Add Nodes
DOM Clone Nodes
DOM HttpRequest

XML DOM Reference
DOM Node Types
DOM Node
DOM NodeList
DOM NamedNodeMap
DOM Document
DOM DocumentImpl
DOM DocumentType
DOM ProcessingInstr
DOM Element
DOM Attribute
DOM Text
DOM Comment
DOM HttpRequest
DOM ParseError Obj
DOM Parser Errors

DOM Summary

DOM Examples
DOM Validator

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XML DOM Validation

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XML Errors will Stop you

Errors in XML documents will stop your XML program.

The W3C XML specification states that a program should not continue to process an XML document if it finds an error. The reason is that XML software should be easy to write, and that all XML documents should be compatible.

With HTML it was possible to create documents with lots of errors (like when you forget an end tag). One of the main reasons that HTML browsers are so big and incompatible, is that they have their own ways to figure out what a document should look like when they encounter an HTML error.

With XML this should not be possible.

Syntax-check your XML

To help you syntax-check your xml, we have created an XML validator.

Paste your XML in the text area below, and syntax-check it by pressing the "Validate" button.

Syntax-check your XML File

You can also syntax-check your XML file by typing the URL of your file into the input field below, and then press the "Validate" button


If you want to validate an error-free XML file, you can paste the following address into the filename field: http://www.w3schools.com/dom/cd_catalog.xml

Note: If you get the error "Access denied" when accessing this file, it is because your browser security settings do not allow access across domains.

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