Tertiary Operator Adobe Flash / ActionScript
This operator is also used to shorten if tests. It is used in the case that: if something is true, then 1 (or 0) thing happens, otherwise 1 (or 0) thing happens.
Use of the modulo operator in ActionScript 2.0 Adobe Flash / ActionScript
Learn to use the modulo operator (%) in Flash! There aren't a lot of explanations for it around, but it can be really useful in some cases. You will also learn the way a conditional statement in ActionScript works.You will use the modulo operator to check if a certain number is even or odd, and to see when a certain number of movie clips, or other objects have been loaded, attached, etc.
Simple If...Else Tests Adobe Flash / ActionScript
There's a very useful shortcut in if...else tests when you test whether a variable equals 0 or not. But you have to know how to use the ! operator. This operator is used to invert a boolean.
Understanding Expressions Adobe Flash / ActionScript
An expression can be a variable, text, numbers and operator or any combination of the above. The important thing to remember that an expression always evaluates to a value. This can be either a string, number or boolean value.
Dynamically creating instances of a class Adobe Flash / ActionScript
You needn't always drag an instance of a symbol onto the Stage during authoring time; you can also create new instances of a class in the Library using ActionScript by using the new operator.