目录

Vue 组件实例

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对象

Vue 在组件实例中有一组对象。

Object	Description
$attrs	Represents the fallthrough attributes and event listeners set on the component tag.
$data	Represents the properties stored in the data part of the Vue instance.
$el	Represents the root DOM node of the Vue component.
$parent	Represents the Vue instance of the parent component.
$props	Represents the props declared in the receiving component.
$refs	Represents the DOM elements marked with the built-in 'ref' attribute.
$root	Represents the Vue instance of the root component of the total Vue application.
$slots	Represents the slots provided by the parent component.

方法

Vue 在组件实例中有一组方法，可以通过“this”关键字来访问。

Method	Description
$emit()	triggers a custom event that is used to communicate up to the parent component
$forceUpdate()	forces a re-render of the Vue application
$nextTick()	waits for the DOM update cycle of the current Vue component to finish before executing
$watch()	is used to create watchers, and returns a stop function we can use to stop the watcher

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