By Sas Jacobs
XML has been round for a few years, so what makes this e-book varied? good, most of the opponents available in the market are huge tomes; this booklet assumes a special process, exhibiting so that you can provide the reader all they should recognize to hit the floor working, with out making them trawl via enormous quantities of pages of syntax. The publication additionally supplies the main up to date photo of the topic—XML help within the latest internet browsers, growing XML-driven purposes utilizing the main models of internet criteria and server-side languages, together with CSS 2.1/3, DOM, XSLT and XPath 2, Hypertext Preprocessor five, ASP.NET 2, and lots of extra. ultimately, the ebook presents an creation to Ajax-style programming, that is a necessary subject for contemporary internet builders to appreciate. XML is middle to Ajax, so an knowing of it's crucial while studying the right way to application Ajax performance. This booklet hence presents an excellent stepping stone for readers wishing to take this direction.
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Extra resources for Beginning XML with DOM and Ajax: From Novice to Professional (Beginning: From Novice to Professional)
It’s important to note that the URI doesn’t have to point to an actual document or directory. The only requirement is that it’s unique in the XML document. However, many processors, including XML schema, XHTML, and XSLT processors, use the URI to indicate CHAPTER 2 ■ RELATED XML RECOMMENDATIONS that they must process certain parts of the document. Therefore, you must use the correct URI for these applications. org/TR/ REC-xml-names/. Adding Namespaces to XML Documents You reference a namespace by adding it as an attribute of any node that contains elements belonging to the namespace.
The model indicates that an XML processor passes the content and structure of the XML document to an application. XML processors are usually called XML parsers, as they parse the XML document; see Figure 1-2. Figure 1-2. The XML document-processing model Common XML processors include Microsoft XML Parser (MSXML), Apache Xerces2, and the Oracle XML parser. You can write an application that uses any of these parsers. Some XML parsers are also available as prepackaged software that install automatically.
The XML schema language is newer than the DTD specification and has addressed some of DTDs’ weaknesses. DTDs and XML schemas are two of the many available schema languages. In some circumstances, it can be useful to consider alternative types of schemas. Other Schema Types Both DTDs and XML schemas are examples of closed schema languages. In other words, they forbid anything that the schema doesn’t allow explicitly. The XML schema language offers some extensibility, but it’s still fundamentally a closed language.
Beginning XML with DOM and Ajax: From Novice to Professional (Beginning: From Novice to Professional) by Sas Jacobs