technical
Closures, event loop, prototypes, async patterns, modules — the fundamentals that separate a framework user from someone who can debug anything.
Sample questions
These are the kinds of questions you'll drill. Real mock rounds will generate many more — tailored to the exact JD you paste in.
Explain the event loop. What's the difference between microtasks and macrotasks?
What's a closure, and when would you reach for one deliberately?
Walk me through how `this` is resolved in JavaScript.
How would you implement a debounce function from scratch?
Reading JavaScript questions isn't the same as answering them live. You need the rep — the pause, the clarifying question, the moment where you realize you forgot the framework. We put you in that exact spot, then show you what a strong answer would have looked like.
Related topics
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Scale, trade-offs, and clear reasoning.
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Joins, indexes, and query plans.
Data Structures & Algorithms
Arrays, graphs, trees, and the classics.
Behavioural
STAR answers that actually land.
Leadership
Influence without authority, grown-up feedback.
Paste the JD, pick your topics, and go. Full session, full feedback, no fluff.
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