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Q&A

Q1:Do I need to be familiar with every ColdFusion function before moving on to other lessons?
A1: Not at all. As mentioned in today's lesson, most developers discover ColdFusion functions one at a time, when they reach a coding impasse and think, ”There must be some tool to fix that.
Q2:Are all functions supported by all versions of ColdFusion Server?
A2: No. Functions are version-specific. Check the documentation that ships with your version of ColdFusion to find a list of supported items.
Q3:How many functions can be nested within one another?
A3: In theory, you can nest as many functions as you like, as long as the inner functions produce output recognized by the outer functions. In practice, however, each function requires a bit of processing power, so to keep your pages loading quickly it's not a good idea to nest more than three or four at a time. Too many nested functions also make for templates that are hard to debug.


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