vue.js 做锚点

<a href="javascript:void(0)" @click="goAnchor('#anchor')"> 灰啊灰啊我的骄傲放纵</a>

methods: {
    goAnchor(selector) {
        var anchor = this.$el.querySelector(selector)
        document.body.scrollTop = anchor.offsetTop; // chrome
        document.documentElement.scrollTop = anchor.offsetTop; // firefox
    }
}