JSFiddle - React, Tailwind, and code Playground

HTML

<div id="demo">
  <input :value="text" ref="input">
  <button @click="update">OK</button>
  <p id="result">{{text}}</p>
</div>

JavaScript

new Vue({
  el: '#demo',
  data: function() {
    return {
      text: ''
    };
  },
  methods: {
  	update: function () {
    	this.text = this.$refs.input.value;
    }
  }
})