vue3 页面销毁的钩子函数

Vue3中页面销毁的钩子函数是beforeUnmount和unMounted。在beforeUnmount阶段，实例还存在，可以进行一些清理操作，比如关闭定时器、取消订阅消息和解绑自定义事件等。而在unMounted阶段，实例已经销毁，可以执行一些最后的清理工作，比如移除事件监听等。这两个钩子函数可以用来确保在页面销毁前和销毁后执行相应的操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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