Dynamic components with is attribute in Vue - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does the is attribute do in Vue dynamic components?

The is attribute tells Vue which component to render dynamically. It lets you switch components without changing the parent template.

beginner

How do you use the is attribute to render different components based on a variable?

You bind the is attribute to a variable holding the component name or object. For example: <component :is="currentComponent" /> where currentComponent changes dynamically.

intermediate

Can you pass props to a dynamic component using the is attribute?

Yes, you pass props just like with normal components. The dynamic component receives props normally, allowing flexible data flow.

beginner

What is a real-life example of using dynamic components with the is attribute?

Imagine a tabbed interface where each tab shows a different component. Using is, you can switch the displayed component based on the selected tab without reloading the page.

intermediate

What happens if the is attribute value changes in Vue?

Vue unmounts the old component and mounts the new one. This lets you swap components smoothly based on state or user actions.

What is the purpose of the is attribute in Vue dynamic components?

A To bind event listeners

B To style the component

C To specify which component to render dynamically

D To define component props

The is attribute tells Vue which component to render dynamically.

How do you bind the is attribute to a variable in Vue?

A Both A and C

B <code>&lt;component is="variable" /&gt;</code>

C <code>&lt;component v-bind:is="variable" /&gt;</code>

D <code>&lt;component :is="variable" /&gt;</code>

You can bind using shorthand :is or full v-bind:is syntax.

Can you pass props to a component rendered with is?

A Yes, props work normally

B No, props are not supported

C Only static props work

D Only event listeners work

Props work normally with dynamic components using is.

What happens when the is attribute changes value?

A Vue updates the existing component in place

B Vue unmounts the old and mounts the new component

C Nothing changes visually

D Vue throws an error

Vue replaces the old component with the new one when is changes.

Which Vue element is used with the is attribute for dynamic components?

A <code>&lt;slot&gt;</code>

B <code>&lt;div&gt;</code>

C <code>&lt;template&gt;</code>

D <code>&lt;component&gt;</code>

The <component> element is used with is for dynamic rendering.

Explain how the is attribute helps in rendering dynamic components in Vue. Include how you can switch components and pass data.

Think about how you can swap parts of your UI without rewriting the whole template.

Describe a practical scenario where dynamic components with the is attribute improve user experience.

Imagine a UI where different content shows based on user choice.