Should I practice machine coding in vanilla JS or React?
Both. Some companies require vanilla JS, some allow React. Practice both so you are prepared for either. Vanilla JS shows strong fundamentals; React shows framework proficiency.
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Set up your environment (VS Code, browser, timer), pick common questions (OTP, autocomplete, pagination), simulate the interview (90-minute timer, no internet), evaluate your work, review with reference solutions, and improve. Practice 20-30 questions.
20-30 questions. Practice daily: 1 question in 90 minutes plus 30 minutes of review. That is 5-6 questions per week. In 4-5 weeks, you will have practiced enough to be confident.
Without internet (or with MDN only) to simulate interview conditions. This forces you to memorize common patterns and not rely on searching. It builds confidence and speed.
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