samples/sample2.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>vue-clipboard2 sample app</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.2.6/vue.js"></script>
  <script src="../dist/vue-clipboard.js"></script>
</head>
<body>
  <div id="app"></div>

  <template id="t">
    <div class="container">
    <input type="text" v-model="message">
    <button type="button" @click="doCopy">Copy!</button>
    </div>
  </template>

  <script>
  new Vue({
    el: '#app',
    template: '#t',
    data: function () {
      return {
        message: 'Copy These Text'
      }
    },
    methods: {
      doCopy: function () {
        this.$copyText(this.message).then(function (e) {
          alert('Copied')
          console.log(e)
        }, function (e) {
          alert('Can not copy')
          console.log(e)
        })
      }
    }
  })
  </script>
</body>
</html>