RouterView for rendering in Vue - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ component_behavior

intermediate

What does render in Vue Router?

In a Vue 3 app using Vue Router, what does the <RouterView> component render?

A It renders the matched component for the current route.

B It renders a navigation menu automatically.

C It renders all components registered in the router.

D It renders only the root component regardless of route.

💡 Hint

Think about how Vue Router shows different pages based on the URL.

The <RouterView> component acts as a placeholder that Vue Router fills with the component matching the current route. It does not render menus or all components, only the one for the active route.

❓ state_output

intermediate

What is the output when nested is used?

Given this route setup with nested routes, what will the nested <RouterView> render?

const routes = [
  { path: '/parent', component: Parent, children: [
    { path: 'child', component: Child }
  ]}
]

If the URL is /parent/child, what does the nested <RouterView> inside Parent render?

A It renders both <code>Parent</code> and <code>Child</code> components side by side.

B It renders the <code>Child</code> component.

C It renders nothing because nested routes don't work.

D It renders the <code>Parent</code> component again.

💡 Hint

Nested <RouterView> shows the child route's component inside the parent.

When using nested routes, the <RouterView> inside the parent component renders the matched child component. So at /parent/child, the nested <RouterView> renders Child.

📝 Syntax

advanced

Identify the correct way to use with named views

Which option correctly uses <RouterView> to render a named view called sidebar?

A <RouterView view="sidebar" />

B <RouterView slot="sidebar" />

C <RouterView name="sidebar" />

D <RouterView slotName="sidebar" />

💡 Hint

Vue Router uses a specific prop name for named views.

The name prop on <RouterView> specifies which named view to render. Other props like slot or view are not valid.

🔧 Debug

advanced

Why does not render any component?

In a Vue 3 app, the <RouterView> is empty and shows no content. The routes are defined as:

const routes = [
  { path: '/home', component: Home }
]

The URL is /home. What is the most likely reason <RouterView> renders nothing?

A The router is not properly installed or the app is missing <code>use(router)</code>.

B The <code>Home</code> component is empty and renders nothing.

C The route path should be <code>'home'</code> without the slash.

D The <code>&lt;RouterView&gt;</code> must be inside <code>&lt;router-link&gt;</code> to work.

💡 Hint

Check if the router is connected to the Vue app.

If the router is not installed with app.use(router), the <RouterView> has no route info and renders nothing. The other options are incorrect because the component can be empty but still render, <RouterView> does not require <router-link>, and route paths must start with a slash.

🧠 Conceptual

expert

How does support route transitions?

In Vue Router, how can <RouterView> be used to animate page transitions between routes?

A Set a global router option to enable automatic route animations.

B Add a <code>transition</code> prop directly on <code>&lt;RouterView&gt;</code> to enable animations.

C Use CSS animations on <code>&lt;RouterView&gt;</code> without any wrapper components.

D Wrap <code>&lt;RouterView&gt;</code> inside a <code>&lt;Transition&gt;</code> component to animate route changes.

💡 Hint

Think about how Vue handles animations for dynamic components.

Vue Router does not animate routes by itself. Wrapping <RouterView> in Vue's <Transition> component allows you to animate the entering and leaving of route components. There is no transition prop on <RouterView>, and CSS alone won't handle component lifecycle animations properly. No global router option exists for this.