JimYaaa

function countDown(fromNumber) {
  console.log(fromNumber)
  let nextNumber = fromNumber - 1
  if (nextNumber > 0) {
    countDown(nextNumber) // 呼叫自己
  }
}

countDown(5)

JimYaaa

<template>
  <div>
    <recursive-component></recursive-component>
  </div>
</template>

<script lang="ts">
import { defineComponent } from 'vue'

export default defineComponent({