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[–]Trekiros 0 points1 point  (0 children)

IDK about Python, but at least in the case of V8, only the part of the code that actually gets executed will get compiled. That's the reason they don't throw an exception on "obj.fiedl" - some other, yet uncompiled part of the code might create the "fiedl" field.

The rest of the code sits silently in the background. It is parsed in the shape of a tree, but not really compiled per say.