<docs>
---
order: 15
title:
zh-CN: 大数据
en-US: Big Data
## zh-CN
Select 使用了虚拟滚动技术，因而获得了比 1.x 更好的性能
## en-US
Select use virtual scroll which get better performance than 1.x
</docs>
<template>
<h2>{{ options.length }} Items</h2>
<a-select
v-model:value="value"
mode="multiple"
style="width: 100%"
placeholder="Please select"
:options="options"
/>
</template>
<script lang="ts" setup>
import { ref } from 'vue';
const options: { value: string; disabled: boolean }[] = [];
for (let i = 0; i < 100000; i++) {
const value = `${i.toString(36)}${i}`;
options.push({
value,
disabled: i === 10,
});
}
const value = ref(['a10', 'c12']);
</script>
