I understand what you mean, I could also probably pass the test. But what is the utility in an arcane test like this? If I'm hiring web developers, I'd want the

I understand what you mean, I could also probably pass the test. But what is the utility in an arcane test like this? If I'm hiring web developers, I'd want them to see how they apply their knowledge to a realistic scenario. There is a real chance that a potentially great hire with decent experience in a desirable technology will fail the inversion task.