
Contents > Getting Started Building ColdFusion MX Applications > CFML Basics > Understanding conditional processing

Understanding conditional processing

To this point, all the coding examples shown are considered linear coding examples. Linear code is when ColdFusion executes code starting with the first line on the page, and processes every line in order. Although you will use linear code in your applications, you will often write code that performs various actions based on conditions, such as the following:

Determine if a user entered a value in a form field.
Display results based on user input.
Display messages based on the time of day.

You use conditional processing to customize the behavior of your application. Conditional processing facilitates decision making and lets you control how the code on a page is processed.

In ColdFusion, you implement conditional processing with flow control tags. These tags are similar to other programming language control elements, such as if, then, and else.


Contents > Getting Started Building ColdFusion MX Applications > CFML Basics > Understanding conditional processing

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