JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.6.10/vue.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/element-ui/2.8.2/index.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/element-ui/2.8.2/theme-chalk/index.css">
<div id="app">
  <div class="block">
    <el-input v-model.number="values[0]" @input="onInputMin"></el-input>
    <el-input v-model.number="values[1]" @input="onInputMax"></el-input>
    <el-slider v-model="values" range :min="min" :max="max"></el-slider>
  </div>
</div>

Babel + JSX

new Vue({
  el: '#app',
  data: {
    min: 126000,
    max: 1236000,
    values: [400000, 600000],
  },
  methods: {
    onInputMin(val) {
      this.values = [val, this.values[1]];
    },
    onInputMax(val) {
      this.values = [this.values[0], val];
    },
  },
});