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The getter method is also modified to use the newly defined
variable if it is different from null or recurring to the cropping functionality otherwise.
private var definedExcerpt : String;
public var excerpt(getExcerpt, setExcerpt) : String;
private function setExcerpt(value : String) : String
{
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Chapter 5: Delving Into Object-Oriented Programming
definedExcerpt = value;
return definedExcerpt;
}
private function getExcerpt() : String
{
return if(definedExcerpt != null)
definedExcerpt;
else
content.substr(0, 10) + ??? ...???;
}
The excerpt property can now be set to a new value.
entry.excerpt = ???Blog Entry is easy???;
In traditional OOP, getter and setter methods are the preferred way to access variables, but in dynamic
languages such as JavaScript there is a general tendency to ignore this practice in favor of shorter,
easier - to - read code and faster execution; with properties definition you can always switch with ease from
instance variables to accessor methods.
The dynamic keyword in the context of variables is an advanced feature.


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