Vue.jsでスクロール量をバーで表示する「vue-cobra」

by kabanoki

HTML

<div id="app">
  <vue-cobra 
    :height="10"
    :zIndex="900"
    color="#4fc08d"
    :opacity="0.5"
  ></vue-cobra>
  <div class="box" v-for="n in 10">200px</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue-cobra.umd.min.js"></script>

CSS

body {
  padding: 20px;
  font-family: Helvetica;
}

#app {
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}
.box {
  height: 200px;
  border-bottom: 3px solid #000;
}

Vue

const vueCobra = window['vue-cobra'].default;

new Vue({
  el: '#app', 
  components: {
    'vue-cobra':vueCobra
  }
});