Nobody remembers everything, there's too much. We use IDEs to help us with things like autocomplete and we chech the documentation very frequently. Generally w

Nobody remembers everything, there's too much. We use IDEs to help us with things like autocomplete and we chech the documentation very frequently. Generally when I'm writing code I will have a dozen tabs open with various documentation pages. Even if you could remember everything, there's always something new to learn. So done worry if you have to look stuff up, we all do.