Vue3 isReactive

isReactive：检查一个对象是否是由 reactive 创建的响应式代理。

实例：

<template>
  <p>The count.num is：{{ count.num}}</p>
  <p>Is the count isReactive：{{ isResult }}</p>
  <p>The val is：{{ val}}</p>
  <p>Is the val isReactive：{{ isRes }}</p>
</template>

<script lang="ts">
import { ref, reactive, isReactive } from 'vue'
export default {
  setup() {
    const val = ref(3)
    const count = reactive({
      num: 5,
    })
    const isRes = isReactive(val)
    const isResult = isReactive(count)
    return {
      val,
      count,
      isRes,
      isResult,
    }
  },
}
</script>

页面效果：