Vue

Why: the goal or problem

Readers save books and articles on a shelf. Labels and counts must agree; its team prefers reactive HTML-like templates over manual edits.

How: work toward a solution

Two cards in a reading shelf start unsaved. Save on Library Book changes only its label to Saved; Garden Article stays unsaved. Saving Garden Article changes the shared count from one to two. Repeating Save leaves two records: each card counts once. The diagram connects reactive state to the template. Reset or reload clears both cards. Nothing is persisted.

Vue: concept simulation

Concept simulation

Save either card. Each card counts once; the other card stays unchanged.

01 · Logic: reactive state

Library Book: 0 · Garden Article: 0

02 · Template: state bindings

Library Book

Reading shelf

Garden Article

Reading shelf

03 · Style: card presentation

One authoring file; packaging is separate.

Saved count: 0 / 2

Waiting

Execution boundary: Browser model: card state and shared records update templates after each click.
State and responsibility: One record set owns the count. Reload clears it; real persistence needs a service. Vue itself is not loaded here.

A fictional demo within this article. Reset or reload restores its initial state.

What: the concept

Vue binds templates to reactive state. A single-file component can colocate logic, template, and styles; it is an authoring format, not a network-file guarantee.

Define shared ownership and external persistence separately.

Source

Go further

Optional reading · separate from the overview

Selection & comparison

Choose Vue when HTML-like templates and colocated component logic fit the team. React favors a JavaScript-centered composition model; Svelte emphasizes compilation. All can manage shared state, so a synchronized counter alone does not distinguish them.

Applications

The reading shelf saves a library book and a garden article. Each card owns its label while a shared record set supplies the total. A repeat save leaves the total unchanged under this example’s identity rule.

Implementation & cautions

Decide where state is owned before connecting templates. Derive counts from records rather than updating separate counters. This page resets all model state on reload; a real cross-device shelf needs authenticated persistence and failure handling outside the component.

Evidence

Vue: Introduction ↗
Defines declarative templates and reactivity. The browser diagram is authored JavaScript, not a Vue runtime benchmark.
Checked 2026-09-27

Comparison within this category
Concept	Features	Advantages	Limitations	Suitable situations	Combination conditions
Vue	Templates bound to reactive state	Logic and markup stay together	Shared state needs ownership	Template-oriented UI teams	Astro island with props and events

Comparison within this category

Concept

Features

Advantages

Limitations

Suitable situations

Combination conditions

Vue

Templates bound to reactive state

Logic and markup stay together

Shared state needs ownership

Template-oriented UI teams

Astro island with props and events

Vue

Why: the goal or problem

How: work toward a solution

Vue

01 · Logic: reactive state

02 · Template: state bindings

Reading shelf

Reading shelf

03 · Style: card presentation

What: the concept

Go further

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