npm install vue-multiple-back-top -S

import Vue from 'vue'
import VmBackTop from 'vue-multiple-back-top'

Vue.component(VmBackTop.name, VmBackTop)

# install dependencies
npm install

# serve with hot reload at localhost:8080
npm run demo:dev

# build for demo with minification
npm run demo:build

# build for gh-pages with minification
npm run demo:prepublish

# build for production with minification
npm run build