const src = '/static/xxx.png'
<image :src="src" />

1. 说一下计时器为什么计时不准？
2. 说一下`Promise.all`、`Promise.race`、`Promise.allSettled`的区别？
3. 对象的深拷贝，`JSON.parse(JSON.stringify())`有什么弊端？
4. `ES6`的`reduce`的四个参数，如何扁平化数组？
5. `WeakMap`和`Map`有什么区别，应用场景？为什么`WeakMap`的`key`只能是`Obj`？

watch(
  [
    pickTicketStore.ship,
    userStore.user,
    pickTicketStore.isOnlySupportManualPay,
  ],
  ([ship, user, isOnlySupportManualPay]) => {
    // Do something with ship, user, isOnlySupportManualPay
  },
  { immediate: true }
);