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Vue 'mounted' 生命周期钩子


示例

使用 mounted 生命周期钩子在组件挂载到 DOM 树后立即将光标置于输入字段中。

<script>
export default {
	mounted() {
		this.$refs.inpName.focus();
	}
}
</script>
运行示例 »

定义和用法

当 Vue 组件挂载到 DOM 树后,就会发生 mounted 生命周期钩子。

由于组件已挂载,我们可以访问属于组件实例的属性,如 datacomputed,并且由于它们刚刚挂载到 DOM,因此我们可以访问组件的 DOM 元素。


相关页面

Vue 教程:Vue 生命周期钩子

Vue 教程:'mounted' 钩子

Vue 参考:Vue 'beforeMount' 生命周期钩子


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