JSFiddle - React, Tailwind, and code Playground

by robert chang

HTML

<script src="https://cdn.jsdelivr.net/lodash/4.3.0/lodash.min.js"></script>
<script src="https://npmcdn.com/vue@next/dist/vue.js"></script>
<div id="el">
  <button @click="insert">insert at random index</button>
  <button @click="reset">reset</button>
  <button @click="shuffle">shuffle</button>
  <transition-group tag="ul" name="fade" class="container">
    <item v-for="item in items"
      class="item"
      :msg="item"
      :key="item"
      @rm="remove(item)">
      <span>here is a span{{ item }}</span>
    </item>
    
  </transition-group>
</div>

CSS

.container {
  position: relative;
  padding: 0;
}
.item {
  width: 40%;
  height: 30px;
  background-color: #f3f3f3;
  border: 1px solid #666;
  box-sizing: border-box;
}
.fade-move, .fade-enter-active, .fade-leave-active {
  transition: all .5s;
}
.fade-enter {
  opacity: 0;
  transform: scaleY(0) translate(30px, 0);
}
.fade-leave-active {
  position: absolute;
  opacity: 0;
  transform: scaleY(0.01) translate(30px, 0);
}

JavaScript

var items = [1, 2, 3, 4, 5]
var id = items.length + 1

var vm = new Vue({
  el: '#el',
  data: {
    items: items
  },
  components: {
    item: {
      props: ['msg'],
      template: `<div>{{ msg }} <button @click="$emit('rm')">x</button><slot></slot></div>`
    }
  },
  methods: {
    insert () {
      var i = Math.round(Math.random() * this.items.length)
      this.items.splice(i, 0, id++)
    },
    reset () {
      this.items = [1, 2, 3, 4, 5]
    },
    shuffle () {
      this.items = _.shuffle(this.items)
    },
    remove (item) {
      var i = this.items.indexOf(item)
      if (i > -1) {
        this.items.splice(i, 1)
      }
    }
  }
})