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Tutorials » Actionscripting/Basic

Understanding Expressions
Author: Eddie Carroll | Website: http://www.flashkit.com |

Still confused? Well when dealing with expression always consider what type you want the value to be. Do you want it to evaluate to be a string, a number or a boolean value? If you require a number and your expression evaluates to a string you will have problems.

Do you remember what I mentioned about the quote marks in the last tutorial? Flash uses quote marks to help determine the type of an expression (btw the expression is on the right hand side of the equals sign). See the examples below and try and pick the differences:

Set Variable: "myvariable" = "450"
Set Variable: "myvariable" = 450
Set Variable: "myvariable" = True
Set Variable: "myvariable" = "True"
Go to and Play(myvariable)
Go to and Play("myvariable")

That's it for expressions. If you are having trouble understanding them, start small and work up to bigger, more complex expressions. Don't forget the flashkit board too, there's thousands of members there waiting to answer your post. Now let's have a look at operators.

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