Want to know what to strive for and what functionality is needed for the website in the portfolio of what would become the Juno
Need to do something more than what they do in VIDOS on utubia called "React: from June to the first project", "JS. An exhaustive course, HTML, CSS for half an hour".
In General, parralelno that study on various technologies, go to the SSA and interviews. The most important thing is not afraid, because this is also a big and, most importantly, you need experience. IMHO