You should at least have a solid basis and know the data types and most of the syntax. Everything beyond that depends on your goals:
Don't waste too much time!
Better get a bit more ground covered before you embarrass yourself!
In any case, if you want to be a professional developer, never ever stop learning.
Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink.
Hide child comments as well
Confirm
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
You should at least have a solid basis and know the data types and most of the syntax. Everything beyond that depends on your goals:
Do you want to create something fast?
Don't waste too much time!
Do you want to get hired and ace a technical interview?
Better get a bit more ground covered before you embarrass yourself!
In any case, if you want to be a professional developer, never ever stop learning.