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Chapter 5. Symbols and the Library > What Is an Instance?

What Is an Instance?

An instance is nothing more than a copy of a library symbol that has been placed on the stage. When a symbol is changed, the instances of that symbol will change accordingly. Also, because you are using an instance of the symbol, you can adjust certain settings of that instance such as size, coloring, and alpha without affecting other instances of the same symbol. Just remember that changing symbols affects all instances of that symbol, but manipulating an instance only affects that one instance.

Also, each instance will have a unique name, which enables you to control it via ActionScript. Later in this chapter, you will begin using ActionScript to control the appearance and movement of instances.


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