Vue

by TastyScript

HTML

<div id="app">
  <select v-model="setSelect">
    <option :value="key" v-for="(value, key) in refValuesChosen">
      {{value}}
    </option>
  </select>
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

Vue

new Vue({
  el: "#app",
  data: {
    RefRealValueArr: {
    	param1: ['xz', '2xz']
    },
    refValuesChosen: ['default', 'one', 'uno', 'xz']
  },
  computed: {
  	setSelect: {
    	get () {
      let needCheckValue = this.RefRealValueArr['param1'][1]
      console.log(this.refValuesChosen.indexOf(needCheckValue))
      let index = this.refValuesChosen.indexOf(needCheckValue)
      	if (index < 0) {
        	return 0
        } else {
        	return index
        }
      },
      set (value) {
        this.RefRealValueArr['param1'][0] = this.refValuesChosen[value]
      }
    }
  }
})