Core JavaScript 1.5 Reference:Global Objects:Object: defineGetter
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[edit] Summary
Binds an object's property to a function to be called when that property is looked up.
[edit] Syntax
obj.__defineGetter__(sprop, fun)
[edit] Parameters
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sprop - a string containing the name of the property to bind to the given function
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fun - a function to be bound to a lookup of the specified property
[edit] Description
The __defineGetter__ allows a getter to be defined on a pre-existing object.