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  • JavaScript Mastery in 14 Days
  • React Interview Mastery in 14 Days
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  • Frontend System Design in 14 Days
  • Algorithms & Data Structures in 14 Days

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React Interview Mastery in 14 Days

A structured, day-by-day React interview roadmap covering recursion-based UI, complex state modeling, portals, performance tuning, virtualization, and production-ready architecture patterns. Designed to simulate real frontend interviews at product companies.

14 days
Intermediate
41 milestones

Your Progress

0 of 41 milestones completed

0%

You're 0% closer to React Interview Mastery in 14 Days

Recommended Model

Days 1-8FREE

Foundation track to build momentum and core interview patterns.

Day 9STREAK UNLOCK

Streak unlock checkpoint to maintain consistent daily practice.

Days 10-14PRO

Advanced track with higher complexity, edge cases, and interview depth.

Daily Plan

41 problems0 concepts0 system design41 total
1

Day 1: Trees + State I

FOUNDATIONFREE

0 of 1 completed

File explorer is the canonical React interview tree problem.

RecursionState
0%
1

File Explorer Tree

Problem
2

Day 2: Trees + State II

INTERMEDIATEFREE

0 of 1 completed

Second version is where architecture shows.

Derived StateComplexity
0%
1

File Explorer Tree II

Problem
3

Day 3: Trees + State III

ADVANCEDFREE

0 of 1 completed

Third version is a great staff-level signal.

Edge CasesArchitecture
0%
1

File Explorer Tree III

Problem
4

Day 4: Checkbox Hierarchies

INTERMEDIATEFREE

0 of 1 completed

Nested checkbox tests parent/child propagation and indeterminate state.

Tree StatePropagation
0%
1

Nested Checkbox Tree

Problem
5

Day 5: Autocomplete I

FOUNDATIONFREE

0 of 1 completed

Typeahead basics: input → suggestions → selection.

DebounceListsUX
0%
1

Autocomplete

Problem
6

Day 6: Autocomplete II

INTERMEDIATEFREE

0 of 1 completed

Second version tests async state and UX edge cases.

AsyncResilience
0%
1

Typeahead Autocomplete II

Problem
7

Day 7: Progress Bars I–III

INTERMEDIATEFREE

0 of 3 completed

Progress bar series is perfect for time + scheduling + state modeling.

TimersQueuesConcurrency
0%
1

Progress Bar

Problem
2

Progress Bar II - Sequential Queue

Problem
3

Progress Bar III - Max 3 Parallel

Problem
8

Day 8: Progress Bars IV–V

ADVANCEDFREE

0 of 2 completed

Hard variants force clean state machines.

ControlsSchedulers
0%
1

Progress Bar IV - Start/Pause/Reset

Problem
2

Progress Bar V - Priority Scheduler

Problem
9

Day 9: Modals I–II

INTERMEDIATEFREE

0 of 2 completed

Modals are a11y + focus management signal.

A11yFocusPortals
0%
1

Modal

Problem
2

Modal II

Problem
10

Day 10: Modal III

ADVANCEDFREE

0 of 1 completed

Hard modal = real production complexity.

Complex OverlaysEdge Cases
0%
1

Modal III

Problem
11

Day 11: Data Table Core

FOUNDATIONFREE

0 of 3 completed

Start with the base table, then layer features.

SortingPaginationFiltering
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1

Data Table - Sorting

Problem
2

Data Table - Pagination

Problem
3

Data Table - Column Filtering

Problem
12

Day 12: Data Table Feature Pack

INTERMEDIATEFREE

0 of 3 completed

Common real-world asks: row selection + CSV export + global search.

SelectionExportUX
0%
1

Data Table - Row Selection

Problem
2

Data Table - CSV Export

Problem
3

Data Table - Global Search

Problem
13

Day 13: Data Table Advanced Pack

ADVANCEDPRO

0 of 3 completed

Pick 1–2: virtualization + reordering/resizing = high-signal.

VirtualizationDnDPerformance
0%
1

Data Table - Virtual Scrolling

Problem
2

Data Table - Column Reordering

Problem
3

Data Table - Column Resizing

Problem
14

Day 14: UI Capstone Mix

INTERVIEWFREE

0 of 18 completed

Capstone set: choose 2 based on time.

State ModelingUI Polish
React Track FinisherProfile Highlight
0%
1

WhatsApp Chat Interface

Problem
2

WhatsApp Chat Advanced

Problem
3

WhatsApp Chat III with Rich Layout

Problem
4

Form Builder

Problem
5

Data Fetching Dashboard with Exponential Backoff

Problem
6

Star Rating

Problem
7

Stopwatch

Problem
8

Timer

Problem
9

Tic Tac Toe

Problem
10

Accordion

Problem
11

Accordion with Animations

Problem
12

Advanced Accordion

Problem
13

Tabs

Problem
14

Tabs with Animations

Problem
15

Advanced Tabs

Problem
16

Todo List

Problem
17

Todo List II

Problem
18

Todo List III

Problem
Start First Milestone
FrontendInterviews.dev

Master frontend interviews with real-world problems and system design challenges.

Product

  • Problems
  • System Design
  • Web Fundamentals
  • Pricing
  • Leaderboard

Resources

  • Explore
  • Frontend Machine Coding Questions
  • Frontend Algorithm Interview Questions
  • JavaScript Interview Questions (Frontend)
  • Frontend System Design Interview Questions
  • Frontend Interview Preparation

Study Plans

  • Frontend Interview in 30 Days
  • JavaScript Mastery in 14 Days
  • React Interview Mastery in 14 Days
  • Frontend Interview in 7 Days (Intensive)
  • Frontend System Design in 14 Days
  • Algorithms & Data Structures in 14 Days

Company

  • About
  • What's New
  • Contact Us

Legal

  • Privacy Policy
  • Terms of Service
© 2026 Frontend Interviews. All rights reserved.
Privacy PolicyTerms of Service