Vue Transition Groups vs CSS Animations

What are the main differences between Vue transition groups and CSS animations?

Vue transition groups are specifically designed for handling lists of elements in Vue.js, allowing for smooth transitions when items are added or removed. CSS animations, on the other hand, are more general and can be applied to any HTML element, providing more flexibility but less control over list-specific transitions.

Can you give me an example of when to use transition groups?

Sure! Use transition groups when you have a list of items that can change dynamically, like a to-do list. When you add or remove items, transition groups help animate those changes smoothly.

Are there any performance considerations I should be aware of?

Yes, while both methods can be performant, using Vue transition groups can be more efficient for list animations since they optimize the rendering process. However, excessive use of complex CSS animations can lead to performance issues, especially on lower-end devices.

How do I implement a simple transition group in Vue?

To implement a transition group in Vue, wrap your list items in a <transition-group> component and use the name attribute to define your CSS classes for entering and leaving transitions. Here's a basic example:

<transition-group name="fade">
  <div v-for="item in items" :key="item.id">{{ item.text }}</div>
</transition-group>