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Tutorials » Actionscripting/Basic

Figuring Out Functions
Author: Eddie Carroll | Website: http://www.flashkit.com |

Functions & Expressions

A function can be used anywhere in actionscript and doesn't have to be limited to this type of example. A function is also an expression because it evaluates to a value which can then be employed further in your actionscript. Let's now take a look at a function being used as an expression.

If (Substring (firstname, 1, 1) eq "E")
 Set Variable: "output" = "Your name begins with E"
Else If (Substring (firstname, 1, 1) eq "e")
 Set Variable: "output" = "Your name begins with E"
Else
 Set Variable: "output" = "Your name does not begin with E"
End If

Now let's look at the Flash 4 Function armoury to see what Functions Macromedia has created for us.

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