Web Services, Part VIII: Reading DTDs with JavaScript - Doc JavaScript | WebReference

Web Services, Part VIII: Reading DTDs with JavaScript - Doc JavaScript


Web Services, Part VIII: Reading DTDs with JavaScript

In this column we continue our series on Web services. In Part I, we introduced you to this hot topic. In Part II, we showed you how to call Web services. In Part III, we presented the WebService behavior and its four supported methods. In Part IV, we continued our coverage of the WebService behavior by describing its objects and properties. In Part V, we dove into XML and XSLT. In Part VI, we started a miniseries on how to load and manipulate XML files from JavaScript. We continued this miniseries in Part VII, and focused on the DOMDocument's nodes and node types. In this column, we dive into the world of document type definitions (DTDs).

The XML format supports entity references. These are parameters you can substitute with real values upon loading. These real values are defined in the DTD file. In this column we'll show you how to interact with DTDs. We'll teach you how to assemble a DTD for both document structure validation, as well as entity substitution. We'll show you what the DOMDocument object looks like in case of entity referencing, and how to insert new entity references into a DOMDocument.

In this column you will learn:

You can find a listing of our XML, XSL, and DTD files on Page 8, or you can download them directly from this zipped file.

Next: How to assemble and call DTDs

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Produced by Yehuda Shiran and Tomer Shiran
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Created: February 11, 2002
Revised: February 11, 2002

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