V4 - Qt WikiV4 Javascript Engine Why it was created? Environment Variables You need to set specific environment variables to debug this engine. In this wiki only few of them are described. To get full list of them you can try to open qtdeclarative.pro and search for text "QV4_. QV4_SHOW_IR - prints intermediate representation of code. It's rather long output because the IR is printed after each of the many op
