VueUse中文文档unrefElement
取消对 dom 元素的引用。
Unref for dom element.
Usage
html
<template>
<div ref="div"/>
<HelloWorld ref="hello"/>
</template>
<script setup>
import { ref, onMounted } from 'vue'
import { unrefElement } from '@vueuse/core'
const div = ref() // 绑定 <div> 元素
const hello = ref() // 绑定 HelloWorld 组件
onMounted(() => {
console.log(unrefElement(div)) // <div> element
console.log(unrefElement(hello)) // HelloWorld 组件的根元素
})
</script>
<template>
<div ref="div"/>
<HelloWorld ref="hello"/>
</template>
<script setup>
import { ref, onMounted } from 'vue'
import { unrefElement } from '@vueuse/core'
const div = ref() // 绑定 <div> 元素
const hello = ref() // 绑定 HelloWorld 组件
onMounted(() => {
console.log(unrefElement(div)) // <div> element
console.log(unrefElement(hello)) // HelloWorld 组件的根元素
})
</script>
Type Declarations
typescript
export type VueInstance = ComponentPublicInstance
export type MaybeElementRef<T extends MaybeElement = MaybeElement> = MaybeRef<T>
export type MaybeComputedElementRef<T extends MaybeElement = MaybeElement> =
MaybeComputedRef<T>
export type MaybeElement =
| HTMLElement
| SVGElement
| VueInstance
| undefined
| null
export type UnRefElementReturn<T extends MaybeElement = MaybeElement> =
T extends VueInstance ? Exclude<MaybeElement, VueInstance> : T | undefined
/**
* Get the dom element of a ref of element or Vue component instance
*
* @param elRef
*/
export declare function unrefElement<T extends MaybeElement>(
elRef: MaybeComputedElementRef<T>
): UnRefElementReturn<T>
export type VueInstance = ComponentPublicInstance
export type MaybeElementRef<T extends MaybeElement = MaybeElement> = MaybeRef<T>
export type MaybeComputedElementRef<T extends MaybeElement = MaybeElement> =
MaybeComputedRef<T>
export type MaybeElement =
| HTMLElement
| SVGElement
| VueInstance
| undefined
| null
export type UnRefElementReturn<T extends MaybeElement = MaybeElement> =
T extends VueInstance ? Exclude<MaybeElement, VueInstance> : T | undefined
/**
* Get the dom element of a ref of element or Vue component instance
*
* @param elRef
*/
export declare function unrefElement<T extends MaybeElement>(
elRef: MaybeComputedElementRef<T>
): UnRefElementReturn<T>