JavaScript Quirks

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*Only Monobehaviours can use print(). This means that if you're using a custom class and need to debug it, you need to use [http://unity3d.com/Documentation/ScriptReference/Debug.Log.html Debug.Log(str)] instead. This will work both inside MonoBehaviours and non-MonoBehaviours alike.
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*If a class inherits from another class, and an instance is explicitly declared as the parent class, it will always call the parent's function - even if the child overrides it! The workaround is to make the instance a typeless variable. (The easiest way is to define the type as ''object'': '''var variable_name : object;''')
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:This problem will disappear when Unity's JavaScript implements equivalents to the ''new'', ''override'' and ''virtual'' method qualifiers in C#.
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* Unity JavaScript uses static typing but avoids having to define the types by using [[JavaScript Type Inference|type inference]] where it can and reverts to dynamic typing (or duck typing) where the inference doesn't work.
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Revision as of 18:45, 19 October 2009

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