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