Technology interview questions hub
Vue Interview Questions for Frontend Interviews
Use this Vue interview questions hub to practice coding and trivia leaves, then return to the master library and interview practice platform.
Practice snapshot
Focus by stack, not random tabs.
This hub keeps coding and trivia in one flow so implementation and explanation skills improve together.
Vue
Use this page as a planning surface for interview prep, not just a random question feed.
- Prioritize high-impact vue coding prompts first.
- Use vue trivia rounds to sharpen explanation speed.
- Escalate into the frontend interview prep platform for guided sequencing.
Coding challenges to start with
- Tic-Tac-Toe (Reactivity + Winner Detection)
Build a Tic-Tac-Toe game in Vue with alternating turns, win/draw detection, and a reset button. Prevent overwriting moves and show clear status messages for current player and outcome so the game is easy to follow. Conc…
Open challenge → - Todo List (Refs + List Rendering)
Build a small Todo List in Vue 3 using the Composition API and <script setup>. Users should be able to add tasks, mark them as completed, remove individual tasks, and clear all completed tasks. Framework focus: Vu…
Open challenge → - Vue Progress Bar (0–100 with Threshold Colors)
Build a Vue 3 progress bar for 0–100 with +10/−10 controls. Clamp values, display the percentage, and change the fill color by thresholds (red/orange/green) to communicate status clearly. Keep state in sync with UI at a…
Open challenge → - Transfer List (Move Selected Items Between Two Lists)
This UI should keep item order stable, clear selection after transfer, and avoid no-op actions when nothing is selected. Concepts: vue, components, reactivity, derived state, event handlers, lists, inputs. Vue focus: ma…
Open challenge → - Vue Accordion / FAQ Component
Build a simple FAQ (accordion) UI in Vue 3 using reactive state. Clicking a question should toggle its answer. By default, only one item can be open at a time, but the user can enable a mode where multiple items can sta…
Open challenge → - Image Slider (Basic Navigation)
Create a basic image slider with next/prev controls and an active index. Guard the index at bounds, update the displayed image and label, and keep disabled states in sync with index. Concepts: vue, components, reactivit…
Open challenge → - Vue Chessboard Click/Highlight (N×N Board)
Build an interactive N×N chessboard in Vue 3. Clicking a cell should highlight it and clear the previous selection. Add a size control so users can change board dimensions.
Open challenge → - Invite Chips Input (Tags + Autocomplete)
Build a Material-like invite field in Vue 3. As users type, show autocomplete suggestions, convert selections into removable chips, and support keyboard shortcuts (Enter/comma/backspace).
Open challenge → - Vue Counter (Guarded Decrement)
Build a Vue 3 counter component with increment/decrement and a zero floor. Use reactive state and guard the decrement so it never goes negative. Call out disabled states and clean template logic. Concepts: vue, componen…
Open challenge → - Vue Dynamic Table (Rows × Columns)
Generate a dynamic table in Vue 3 from row/column inputs. Normalize inputs (clamp to 0/1), rebuild the grid on action, and render stable row/column labels so the UI stays predictable. Concepts: vue, components, reactivi…
Open challenge → - Vue Like Button (Toggle + Counter)
Create a Vue 3 Like button with a toggle state and visible counter. Clicking should increment on like, decrement on unlike, and never allow the count to drop below zero. The UI should immediately reflect the current sta…
Open challenge → - Vue Star Rating Widget
Create a reusable star rating widget in Vue 3 with a controlled rating value. Render stars from 1..max, update on click, and reflect the current rating visually. Keep the parent as the source of truth. Concepts: vue, co…
Open challenge →
Trivia questions for explanation speed
- Explain Slots in Vue: default vs named vs scoped slots — and how slot props enable child-to-parent data flow
Explain how Vue slots work (default, named, and scoped slots), what problem they solve, and how slot props allow a child component to pass data back to the parent’s template while still keeping one-way data flow.
Open question → - How does v-if affect component creation and destruction?
Explain what happens to a component instance when a v-if condition toggles: when it is created (mounted), when it is destroyed (unmounted), what lifecycle hooks run, and why local state resets. Contrast with v-show and…
Open question → - What is the difference between native and component events in Vue?
Explain the difference between native DOM events (click/input/submit...) and component events emitted with $emit/emit in Vue. Cover what happens when you write @click on a real element vs on a component tag, how propaga…
Open question → - What is the purpose of Vuex, and how does it help manage state in large applications?
Vuex is a centralized state management pattern for large Vue apps. It provides a single store, predictable mutations, and devtools time-travel debugging. Centralized state helps predictability and debugging, but it adds…
Open question → - What is the Vue reactivity system and how does it work internally?
The Vue reactivity system is the core mechanism that automatically updates the DOM whenever data changes. Internally, it uses proxies (in Vue 3) to track dependencies and trigger re-renders when reactive data is modifie…
Open question → - Why does destructuring break reactivity in Vue? Explain toRefs, toRef, and how to safely extract reactive state
Explain why destructuring a reactive object in Vue breaks reactivity, how Vue’s Proxy-based tracking works, and how to use toRefs() and toRef() to safely extract reactive properties without losing updates.
Open question → - Computed vs watch in Vue: derived state (cached) vs side effects (imperative)
Computed properties and watchers both react to reactive changes, but they solve different problems: <strong>computed</strong> is for <strong>derived state</strong> (cached, declarative), while &l…
Open question → - How does v-bind connect reactive state to DOM attributes?
Explain how v-bind (:) turns reactive state into DOM attribute/prop updates: template compilation into a render function, dependency tracking during render, scheduled component updates, and how the runtime patches attri…
Open question → - How does Vue interpolate reactive state into the DOM?
Explain what happens from a template expression like {{ count }} to a real DOM text node update: template compilation, dependency tracking during render, scheduling/batching, and DOM patching. Mention how Vue handles re…
Open question → - ref vs reactive in Vue: what’s the real difference, when should you use each, and what are the common reactivity traps?
Explain the real difference between ref() and reactive() in Vue 3’s Composition API, when each is the better choice (primitives vs objects, replacement vs mutation, destructuring, template unwrapping), and the most comm…
Open question → - What are computed properties in Vue?
Computed properties are cached, reactive getters that recompute only when their dependencies change. Use them for derived state instead of methods to avoid unnecessary recalculation. Computed values improve performance…
Open question → - What breaks if a child mutates a prop directly?
In Vue, props are meant to be read-only inputs from parent to child. Explain what breaks (correctness + debugging) when a child component directly mutates a prop, including the nested object/array case, and show the cor…
Open question →
Complete the prep loop
After these Vue Interview Questions for Frontend Interviews drills, continue with frontend interview questions hub, then frontend interview preparation guides and frontend interview preparation tracks to keep your weekly plan structured.