Vue.js: What is the difference between watchEffect and watchPostEffect?

1<script setup>
2import { watchEffect, watchPostEffect, ref } from "vue"
3
4const count = ref(0)
5
6// Before DOM update
7watchEffect(() => {
8  console.log(count.value)
9})
10
11// After DOM update
12watchPostEffect(() => {
13  document.title = `Count: ${count.value}`
14})
15</script>