<template>
  <div>
    <button @click="show = !show">Toggle</button>
    <transition name="fade">
      <p v-if="show">Hello Vue.js!</p>
    </transition>
  </div>
</template>

<script>
export default {
  data() {
    return {
      show: false
    };
  }
};
</script>

<style>
.fade-enter-active, .fade-leave-active {
  transition: opacity 0.5s;
}
.fade-enter, .fade-leave-to {
  opacity: 0;
}
</style>

<template>
  <div>
    <transition name="bounce">
      <button v-if="show" @click="show = false">Click Me!</button>
    </transition>
    <button v-else @click="show = true">Show Button</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      show: true
    };
  }
};
</script>

<style>
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.bounce-enter-active {
  animation: bounce 0.5s;
}
</style>

<template>
  <div>
    <button @click="loadData">Load Data</button>
    <div v-if="loading" class="spinner"></div>
    <ul v-else>
      <li v-for="item in data" :key="item.id">{{ item.name }}</li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loading: false,
      data: []
    };
  },
  methods: {
    async loadData() {
      this.loading = true;
      setTimeout(() => {
        this.data = [
          { id: 1, name: 'Item 1' },
          { id: 2, name: 'Item 2' },
          { id: 3, name: 'Item 3' }
        ];
        this.loading = false;
      }, 2000);
    }
  }
};
</script>

<style>
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #ccc;
  border-top: 4px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
</style>

npm install animate.css

<template>
  <div>
    <button @click="show = !show">Toggle</button>
    <transition name="animated" enter-active-class="animate__animated animate__fadeIn" leave-active-class="animate__animated animate__fadeOut">
      <p v-if="show">Hello with Animate.css!</p>
    </transition>
  </div>
</template>

<script>
export default {
  data() {
    return {
      show: false
    };
  }
};
</script>

<style>
@import 'animate.css';
</style>

npm install gsap

<template>
  <div>
    <button @click="animateBox">Animate Box</button>
    <div ref="box" class="box"></div>
  </div>
</template>

<script>
import { gsap } from 'gsap';

export default {
  methods: {
    animateBox() {
      gsap.to(this.$refs.box, { x: 100, rotation: 360, duration: 2 });
    }
  }
};
</script>

<style>
.box {
  width: 50px;
  height: 50px;
  background-color: red;
}
</style>