scrollTop问题摘要

<template>
    <div class="video" ref="scro">
    <button @click="test">点击</button>
    <p v-for="item in 100" :key="item">测试{{item}}</p>
    <div ref="btn">测试111</div>
    <button @click="go">返回</button>
    </div>
</template>
<script>
export default {
    methods: {
        test () {
            console.log(this.$refs.btn.offsetTop)
            this.$refs.scro.scrollTop = this.$refs.btn.offsetTop
        },
        go () {
            this.$refs.scro.scrollTop = 100
        }
    }
}
</script>
<style scoped lang="scss">
.video {
    height: 300px;
    overflow: auto;
}
</style>