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Chapter 22. Building User-Defined Functions > Thinking About Extending CFML

Thinking About Extending CFML

Throughout this book, you have been learning how to use CFML's built-in tags and functions to produce dynamic Web pages. You have used tags like <cfquery> and <cfoutput> to display information stored in databases, and you have used functions like uCase() and dateFormat() to further tweak your work.

For the next few chapters, you will be exploring how to extend the CFML language by creating your own tags, functions, and components. Once you see how easy it is to do so, you will find that you can make your application code much more elegant and maintainable. It's a very exciting topic. It's even fun.


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