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Vue 'beforeUnmount' 生命周期钩子


示例

使用 beforeUnmount 生命周期钩子创建一个从 <p> 元素内部获取文本的警报。

<script>
export default {
  beforeUnmount() {
    alert("beforeUnmount: The text inside the p-tag is: " + this.$refs.pEl.innerHTML);
  }
}
</script>
运行示例 »

定义和用法

beforeUnmount 生命周期钩子中,组件将从 DOM 中移除。

beforeUnmount 钩子中运行代码时,组件仍然是完全可用的。


相关页面

Vue 教程:Vue 生命周期钩子

Vue 教程:'beforeUnmount' 钩子

Vue 参考:Vue 'mounted' 生命周期钩子


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