Transition component basics in Vue - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of the <Transition> component in Vue?

The <Transition> component helps animate elements when they enter or leave the DOM, making changes smooth and visually appealing.

beginner

Name the three main CSS classes Vue automatically applies during a transition.

Vue applies v-enter-from, v-enter-active, and v-enter-to classes when an element enters, and similar classes for leaving like v-leave-from, v-leave-active, and v-leave-to.

beginner

How do you trigger a transition on a conditional element in Vue?

Wrap the conditional element (like one controlled by v-if) inside a <Transition> component to animate its appearance and disappearance.

intermediate

What role does the name attribute play in the <Transition> component?

The <code>name</code> attribute customizes the prefix for CSS classes Vue applies during transitions, allowing you to define your own class names for animations.

intermediate

Can the <Transition> component animate multiple elements at once?

No, <Transition> works with a single element or component. To animate lists or multiple elements, use <TransitionGroup> instead.

Which Vue component is used to animate an element entering or leaving the DOM?

A <Motion>

B <Transition>

C <Animate>

D <Effect>

The component is designed to animate elements when they appear or disappear.

What CSS class does Vue apply at the start of an element entering transition?

A v-enter-active

B v-leave-to

C v-enter-from

D v-leave-from

The v-enter-from class is applied at the start of the entering transition to set initial styles.

How do you customize the CSS class names used by the <Transition> component?

A Use the name attribute

B Use the class attribute

C Use the id attribute

D Use inline styles

The name attribute sets the prefix for transition CSS classes.

Which directive is commonly used with <Transition> to conditionally show an element?

A v-model

B v-for

C v-bind

D v-if

v-if controls whether an element is in the DOM, triggering transitions when wrapped in .

If you want to animate a list of items entering or leaving, which Vue component should you use?

A <TransitionGroup>

B <Transition>

C <AnimateList>

D <ListMotion>

is designed for animating multiple elements like lists.

Explain how the component works in Vue and how it uses CSS classes to animate elements.

Think about how Vue changes classes to create smooth animations.

Describe how you would animate a button appearing and disappearing using Vue's component.

Consider the element's lifecycle and CSS class changes.