<div
      id="scrollArea"
      class="clusterize-scroll"
      style="height: 300px; overflow: auto"
    >
      <div id="contentArea" class="clusterize-content">
        <div v-for="item in dataSet" :key="item">
          <button @click="onClick(item)" data-action="onClick">
            button {{ item }}
          </button>
        </div>
      </div>
 </div>

 <script>
 mounted() {
    new Clusterize({
      scrollId: "scrollArea",
      contentId: "contentArea",
    });
  },

 </script>