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React prep · TypeScript / Next.js

Hooks, rendering, Server Components.
The React interview.

Hooks, effects, rendering, state, data fetching, TypeScript and Next.js, practiced with active recall and timed tasks. Written for frontend screens.

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293 questions · no account needed to start

What Today looks like

Example

Plan

20min

React Fundamentals

What is React, and what does it mean that React is declarative?

Readiness

54%

Screening21 points to Offer Ready

Next to close

  • Effects & Refs52%
  • Hooks in Depth59%
  • TypeScript with React61%

How Irbisa works

  1. 01Assess your level
  2. 02Practice the questions you're likely to miss
  3. 03Watch the weak areas move
  4. 04Run a realistic interview

Real technical practice

Practice Session

Recall the answer first, then grade yourself

Start a session

Mock Interview

A set of questions against the clock

Start a round

Roadmap

Sixteen rungs, Junior to Staff

Open the roadmap

Tracks

Flutter

890questions

Open track

iOS

561questions

Open track

Android

721questions

Open track

Go

408questions

Open track
Active

React

293questions

Current track

Live coding

Live demo

A task against the clock, then an honest review

Open live coding
A debounced search hook
12:00
func
TypeScript 5.6Reviewing the solution

How questions are checked

  • Checked against the docs

  • Marked by how often it is asked

  • Your answer comes first

Start with a target, not a catalogue.