<select @change="handleSelectChange" name="mySelectName">
  <!-- options here -->
</select>

    handleSelectChange(evt){
      let name = evt.target.selectedOptions[0].label;
      let val = evt.target.selectedOptions[0].value;
      let val = evt.target.value;
      let idx = evt.target.selectedIndex;
      // evt.target.value
      #text 
    },