console 命令行工具 X clear

console

var Main = {
    data() {
      return{
        
      }
    }
  }
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')

<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/element-ui@2.4.11/lib/index.js"></script>
<div id="app">
  
</div>

@import url("//unpkg.com/element-ui@2.4.11/lib/theme-chalk/index.css");