z_element_plus/docs/examples/select-v2/customized-option.vue

<template>
  <el-select-v2
    v-model="value"
    filterable
    :options="options"
    placeholder="Please select"
    style="width: 240px"
    multiple
  >
    <template #default="{ item }">
      <span style="margin-right: 8px">{{ item.label }}</span>
      <span style="color: var(--el-text-color-secondary); font-size: 13px">
        {{ item.value }}
      </span>
    </template>
  </el-select-v2>
</template>

<script lang="ts" setup>
import { ref } from 'vue'
const initials = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']

const value = ref([])
const options = Array.from({ length: 1000 }).map((_, idx) => ({
  value: `Option ${idx + 1}`,
  label: `${initials[idx % 10]}${idx}`,
}))
</script>