element-plus/docs/examples/timeline/basic.vue

<template>
  <div class="block">
    <el-timeline>
      <el-timeline-item
        v-for="(activity, index) in activities"
        :key="index"
        :timestamp="activity.timestamp"
      >
        {{ activity.content }}
      </el-timeline-item>
    </el-timeline>
  </div>
</template>

<script lang="ts">
export default {
  data() {
    return {
      activities: [
        {
          content: 'Event start',
          timestamp: '2018-04-15',
        },
        {
          content: 'Approved',
          timestamp: '2018-04-13',
        },
        {
          content: 'Success',
          timestamp: '2018-04-11',
        },
      ],
    }
  },
}
</script>