<div class="wrap"> <select id="model" @change="changeData" class="flat-select"> <option value="iphone5">iPhone 5</option> <option value="iphone6">iPhone 6</option> <option value="iphone7">iPhone 7</option> </select> <div id="chart-year" class="chart-box"> <apexchart ref="chartYear" type=bar height=350 :options="chartOptionsYear" :series="seriesYear" /> </div> <div id="chart-quarter" class="chart-box"> <apexchart ref="chartQuarter" type=bar height=350 :options="chartOptionsQuarter" :series="seriesQuarter" /> </div> </div>