vue开发如何显示当天是星期几

<template>
  <div>
    <p>今天是{{ weekDay }}</p>
  </div>
</template>
 
<script>
export default {
  computed: {
    weekDay: function() {
      let days = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
      let today = new Date();
      let weekday = today.getDay();
      return days[weekday];
    }
  }
}
</script>