Welcome to {{ title }}!
<select class="form-control" v-model="region" @change="changeRegion">
<option :key="i" :value="d.v" v-for="(d,i) in options">{{d.t}}</option>
</select>
<table class="table table-bordered" v-show="tableShow">
<tr :key="i" v-for="(d,i) in options">
<td>{{d.v}}</td>
<td>{{d.t}}</td>
</tr>
</table>