Frontend developer interview preparation
Frontend interviews test the language before the framework. Most candidates who struggle do so on JavaScript fundamentals — closures, the event loop, coercion — not on React specifics. This path works through the language first, then TypeScript, then the framework layer.
5 stages · 466 practice questions
- 1
JavaScript
106 questionsThe foundation everything else sits on. Expect questions on closures, `this`, the event loop and type coercion regardless of which framework the role uses.
- 2
TypeScript
90 questionsEffectively assumed in frontend roles now. Interviewers probe generics, narrowing and the difference between `type` and `interface`.
- 3
React
90 questionsHooks rules, re-render behaviour, and state management are the standard territory.
- 4
Next.js
90 questionsServer versus client components and rendering strategies come up in any role touching modern React.
- 5
Vue.js
90 questionsWorth covering if the role is Vue-based, or to show breadth in comparing reactivity models.
