select添加提示语

使用vue：

<select v-model="action_type" @change="type" class="action_type">
            <option disabled value="">请选择</option>
            <option>选项1</option>
            <option>选项2</option>
</select>

html中：

<select v-model="action_type" @change="type" class="action_type">
            <option disabled selected hidden>请选择</option>
            <option>徒步</option>
            <option>警车</option>
 </select>

 

转载于:https://www.cnblogs.com/lxqboke/p/11212241.html