vue改变select 色值js

vue-js

<select @change="ps_onchange($event)">

<option value="" selected>请选择区域</option>

<option value=""> 默认区域</option>

　　　　<option value="1" >2</option>

<option value="2">2</option>

</select>

<script>

export default {

data(){},

　　methods: {

ps_onchange(event){

var ps_obj = event.currentTarget;

ps_obj.style.color = ps_obj.value.length ? "#333" : "";

}

}

}

</script>