Using documentation is fine. You aren't going to solder stuff only by eyeballing the component packaging either. On-line information? That's another question entirely. This would be a more interesting test: can you make a basic webapp (or other type of app representative of your experience) without Internet access ? If you're dealing with an older stack and toolkit, you probably have many books' worth of manuals alre…
In my initial days of programming in school/college, I relied almost entirely on local MSDN library installation (during VB6 days, it used to come in three CDs), to learn VB6 and build apps. With that, I built a multi-lingual word processor, a screen reader and some other nice tools that got me hooked with coding. It was around 2003-2006 and I used to only search on internet whenever I needed to add something not supported out-of-the-box in VB6 like Win32 APIs etc.
0: https://ASPSecurityKit.net 1: https://www.youtube.com/watch?v=TmUO90JNlvs