Recommended preparation

30-day roadmap

30-Day Frontend Interview Preparation Roadmap

This 30-day frontend interview preparation roadmap gives you a foundations runway so implementation speed, concept clarity, and system design coverage improve together.

Built for candidates who want a full-month sequence across fundamentals, frameworks, and architecture communication.

113questions
5system design prompts
30-45 min/daydaily pace
Day 1ready
May 2026updated
  • JavaScript fundamentals plus medium async and race-condition patterns
  • Framework coding drills across React, Angular, and Vue (pick your stack)
  • Framework-agnostic trivia across JS, HTML, and CSS
  • Five frontend system design scenarios for architecture tradeoffs
Start Day 1 Open Question Library
Catalog-backed task listFree starter prompts surfaced firstFull route remains premium

30-day frontend interview preparation day-by-day preview

Start with seven concrete daily task sets, then use the remaining module preview to see how JavaScript, framework coding, HTML/CSS, concepts, and system design build over the month.

51JavaScript
27framework coding
30HTML/CSS
39concept questions
5system design
Day 1

JavaScript fundamentals warm-up

30-45 min

Start with small implementation prompts that expose syntax, return values, loops, arrays, and edge cases.

Foundation JS
Day 4

Counters, flattening, grouping

30-45 min

Move from warm-ups into closures, data reshaping, and utility design with clearer edge-case handling.

Utility patterns
Days 8-9

Framework starter completion

Finish Vue starter variants and compare the same component patterns across React, Angular, and Vue.

Days 10-13

HTML/CSS implementation basics

Move through semantic HTML, labeled forms, metadata, selectors, box model, positioning, Flexbox, Grid, and responsive constraints.

Days 14-15

Frontend system design warm-up

Practice toast notifications, autosave forms, design systems, realtime search, and infinite scroll architecture prompts.

Days 16-21

JavaScript and web fundamentals

Review event loop, closures, this, hoisting, storage, DOM, semantic HTML, CSS layout, specificity, media queries, and units.

Days 22-27

Async JS and framework variants

Add debounce, throttle, Promise utilities, race conditions, and React/Angular/Vue search, table, theme, and transfer-list drills.

Days 28-30

Final review and company targeting

Re-run misses, write tradeoff notes, then use Company Prep to match the teams and interview loops you are targeting.

Who this plan is for

  • Built for candidates who want a full-month sequence across fundamentals, frameworks, and architecture communication.
  • Use the preview to confirm this timeline fits your interview window.
  • Start with public Day 1 tasks before deciding whether to unlock the full route.

What this study plan connects

  • Full guided flow at /tracks/foundations-30d with all question links.
  • Coding drills, concept questions, and system design prompts in one route.
  • Guides and Company Prep that extend the plan into final-round prep.

How to use this study plan

Run the plan as one prep sequence instead of treating it like a random question bundle.

  1. Start Day 1 with a public JavaScript fundamentals prompt before moving into the full month sequence.
  2. Work through the roadmap in order so fundamentals, framework drills, and architecture prompts build on each other.
  3. Add Company Prep in the final week to rehearse target-specific patterns without losing structure.
Question Library Framework Prep Guide Company Prep

Choose 30-day if

  • You need fundamentals, framework coding, concepts, and system design in one month.
  • You can spend 30-45 minutes per day without rushing the basics.
  • You want broader coverage before narrowing into company prep.
Stay on 30-day roadmap

Choose 7-day if

  • Your interview is close and you need a high-yield sprint.
  • You already know the fundamentals and need focused JS/UI/system design review.
  • You prefer fewer prompts and a tighter daily scope.
Compare 7-day plan

Choose JS mastery if

  • JavaScript depth is the main gap.
  • You want checkpoint-gated modules instead of a date-based plan.
  • You care more about 0-to-100 mastery than broad frontend coverage.
Open JS mastery

Sample included questions

Free starter prompts: 5 · Premium full-plan samples: 3

30-Day Frontend Interview Preparation Roadmap FAQ

Quick answers before you commit the plan.

Is 30 days enough?

Thirty days is enough for a structured foundations pass if you already have frontend exposure and can practice consistently for 30-45 minutes per day.

How many questions per day?

The first week uses four linked prompts per day. Later modules mix coding, concept checks, and system design prompts so the daily load stays realistic.

Is React required?

No. React appears in the framework block, but the roadmap also includes Angular and Vue variants so you can bias practice toward your target stack.

Are Angular and Vue included?

Yes. The roadmap includes Angular starter tasks, Vue starter tasks, and later Angular/Vue variants for search, tables, theme toggles, and transfer lists.

When does system design start?

System design starts after the first implementation foundation block, with frontend prompts such as toast notifications, autosave forms, design systems, realtime search, and infinite scroll.

What does premium unlock?

The public preview shows the roadmap shape and free starter prompts. Premium unlocks the full guided route and the premium prompts in the 113-question month.

Start Day 1 Open Question Library Open Company Prep View pricing