JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/element-ui/lib/index.js"></script>
<div id="app">
  <template>
    <el-select v-model="objectValue" :value-key="id">
      <el-option v-for="item in items" :label="item.id" :value="item"></el-option>
    </el-select>
  </template>
</div>

SCSS

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

Babel + JSX

let items =[
      {
        id : "a",
        attr1 : 0,
        attr2 : 1
      },
      {
        id : "b",
        attr1 : 1,
        attr2 : 2
      }
    ]
var Main = {
    data() {
     return {
   		 objectValue : items[0],
   		 items : items
 		 }
  }
 }
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')