JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/[email protected]/lib/index.js"></script>
<div id="app">
  <el-button @click="clear">Clear</el-button>
  <el-date-picker v-model="value6" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期">
  </el-date-picker>
</div>

SCSS

@import url("//unpkg.com/[email protected]/lib/theme-chalk/index.css");

Babel + JSX

var Main = {
    data() {
      return {
        value6: ['2018-01-02', '2018-01-18']
      };
    },
    methods: {
      clear() {
        this.value6 = ''
      }
    }
  };
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')