Adaptive skill practice — find your level, get sharper.

Vue practice

The reactivity system behind the templates

The Vue 3 mental model senior frontend interviews probe — single-file components and template syntax, the reactivity system (ref vs reactive, computed caching, watchers and flush timing) and its rules (destructuring loss, unwrapping, shallow refs), props/emits and v-model contracts, slots and provide/inject, KeepAlive and Suspense, and the internals: Proxy-based track/trigger, the scheduler's batching, patch flags and the block tree. Grounded in the official vuejs.org docs; core Composition API is version-stable and version-specific behavior is flagged. Part of the Developer track.

• Meets you at your level — never too easy, never too hard.

• Adapts every question to how you’re doing.

• Tracks your level over time. Skill practice, not a test.

New here? Read the Vue guide

A free 18-minute primer — the mental model, the mistakes beginners make, and what to practise first.

Curriculum

222 concepts across 26 chapters, from foundations through advanced practice — each one a concept the adaptive question bank can teach and test.

A. The application instance and what an SFC is

B. Template syntax

C. Built-in directives: conditionals, lists, class and style

D. Reactivity fundamentals

E. Computed properties

F. Event handling

G. Form input bindings

H. Lifecycle hooks and template refs

I. Watchers

J. Components: registration, instances, dynamic components

K. Props and attribute fallthrough

L. Component events and v-model

M. Slots

N. Provide and inject

O. Built-in components: Transition, KeepAlive, Teleport, Suspense

P. Composables

Q. Custom directives and plugins

R. Reactivity in depth and the advanced APIs

S. The rendering mechanism and render functions

T. Single-file components, <script setup> and TypeScript

U. Vue Router

V. State management with Pinia

W. Server-side rendering and hydration

X. Performance, production builds and security

Y. The Options API

Z. Web components and custom elements

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