Writing
Practical write-ups on React, Next.js, performance and technical interviews — with interactive practice tests where they help.
What React skills assessments actually test, the eight questions that trip people up, and a 120-question bank to practise on.
Closures, the event loop, coercion and prototypes — the areas JavaScript assessments actually weight, plus a 120-question bank.
Caching defaults, async params and middleware all changed between 13 and 16. What Next.js assessments test now, plus a practice bank written against 16.x.