React track
Practice React interview challenges by building.
Work through focused frontend interview prep challenges with a live preview, saved progress, and an AI coach when you need a useful next step.
View the full frontend interview prep path33
Challenges
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Recommended next · State and events
Counter Card
Path 1 of 33. Every challenge remains open, so you can skip ahead whenever you like.
Concept progress
Your React coverage
State & events0/29
Lists0/14
Forms0/13
Conditional rendering0/8
Components & props0/7
Accessibility0/2
Derived state0/9
Composition0/8
Effects0/5
Async data0/5
Persistence0/1
Reducers0/2
33 challenges
Start small. Ship the solution.
easyPath 1/33
Counter Card
15-20 min
easyPath 2/33
Todo: Add a Task
15-20 min
easyPath 3/33
Preference Toggle Switch
15-20 min
easyPath 4/33
Repair the Announcement Composer
15-20 min
easyPath 5/33
Repair Account Settings Tabs
25-30 min
mediumPath 6/33
Repair the Help Center Accordion
30-40 min
easyPath 7/33
Todo: Toggle a Task
15-20 min
easyPath 8/33
Repair the Team Directory Filter
20-30 min
easyPath 9/33
Repair the Workspace Invite Form
15-20 min
easyPath 10/33
Todo: Remove a Task
15-20 min
easyPath 11/33
Color Picker Card
20-25 min
easyPath 12/33
Simple Todo List
25-35 min
mediumPath 13/33
Design a Reusable Filter Menu
75-90 min
mediumPath 14/33
Repair the Release Review Feed
25-35 min
mediumPath 15/33
Paginated Gallery
30-40 min
mediumPath 16/33
Repair the Workspace Equipment Cart
40-50 min
easyPath 17/33
Repair a Drifting Order Summary
25-35 min
mediumPath 18/33
Repair the Incident Controls
60-75 min
mediumPath 19/33
Repair the Support SLA Timer
35-45 min
hardPath 20/33
Repair the Workspace Member Search
60-75 min
hardPath 21/33
Make Customer Search Race-Safe
90-110 min
hardPath 22/33
Recover an Optimistic Preference Update
100-120 min
hardPath 23/33
Repair the Weekly Operations Dashboard
75-90 min
mediumPath 24/33
Repair the Design-token Gradient Editor
35-45 min
mediumPath 25/33
Repair the App Shell Theme Preference
35-45 min
hardPath 26/33
Scalable Notification Center
90-120 min
hardPath 27/33
Recoverable Equipment Checkout
60-75 min
mediumPath 28/33
Build a Validated Deployment Request
100-120 min
mediumPath 29/33
Model a Refund Workflow
100-120 min
hardPath 30/33
Repair the Support Triage Board
60-75 min
mediumPath 31/33
Build a Typed Release Explorer
100-120 min
hardPath 32/33
Investigate a Render Budget
90-110 min
hardPath 33/33
Repair Incident-note History
60-80 min