after finishing freecodecamp tutorial specialty with node js i think its not enough to be pro in node js so where i should study on free websites or books to be pro i would be happy with your advices
You could go on W3School’s Node.js tutorial for better understanding of what you learned.
build stuff using node, it’s the only way to get better
Build projects by using the documentations of NodeJS:
Start with simple projects, e.g. some terminal apps that fetch data from APIs and show the output in the terminal. Or let them save stuff on your filesystem.
If you want to create web applications, add ExpressJS:
Do NOT binge-watch tutorials and do not copy tutorial code, instead learn stuff on-demand.