<g targetVal="targetVal" class="xaxis">
  <line x1="0" y1='1" x2='350' y2='1'/>
  <g v-for="(select, index) in targetVal">
    <line y1="0" y2=“7" :x1="index * 10" :x2="index * 10"/>
    <text v-if="index % 5 === 0” :x="index * 10" :y="20>{{ index }}</text>
  </g>
</g>