Adobe ColdFusion 9 Web Application Construction Kit, Volume 2: Application Development

Contents

Introduction

PART 5 Creating Functions, Tags, and Components

CHAPTER 22 Building User-Defined Functions

Thinking About Extending CFML

Functions Turn Input into Output

Building your First UdF

Basic Steps

Using the Function

UdF Tag Syntax

Using Local Variables

Where to Save Your UDFs

Creating Libraries of Related UDFs

Designing the UDF Library

Putting the UDF Library to Use

Creating General-Purpose UDFs

Things to Consider

Writing the SimpleJavaScriptFunctions Library

Sharing UDF Libraries with Others

CHAPTER 23 Creating Custom Tags

Easy, Powerful Extensibility

Introducing CFML Custom Tags

The Basic Custom Tag Idea

How to Use Custom Tags

How to “Install” a Custom Tag

Using Custom Tags

Changing the Custom Tag Search Path

Placing Custom Tags ...