Force JavaScript exception/error when reading an undefined object property?

Question

I\'m an experienced C++/Java programmer working in Javascript for the first time. I\'m using Chrome as the browser.

I\'ve created several Javascript classes with fie

Answer 1

There is great power in consistency (like in the STL from Alexander Stepanov that Stroustrup adopted into C++). One simple reason for the inconsistent treatment of undeclared properties vs undeclared variables is probably a reflection of the thought and effort that went into evolving the different languages and another is probably the abilities of the people involved.

It also impacts the kind of applications you would entrust to any given language. You hopefully wouldn't try to write mission critical software that runs a multimillion dollar cruise liner engine management system in javascript, for example.

(Probably not a popular answer for javascript aficionados.)