Element UI在线运行错误, (Uncaught ReferenceError: Vue is not defined)
解决办法:
1: Js菜单栏引入Vue和Element
Vue: https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js
Element:https://unpkg.com/element-ui/lib/index.js
2:Css菜单栏引入Element样式
Element: https://unpkg.com/element-ui/lib/theme-chalk/index.css
3: 点击Save & Close 按钮,保存退出即可。