useMounted
在 ref 中表示组件是否已挂载。
Demo
unmounted
使用方法
js
import { useMounted } from '@vueuse/core'
const isMounted = useMounted()
这本质上相当于:
ts
const isMounted = ref(false)
onMounted(() => {
isMounted.value = true
})
Type Declarations
typescript
/**
* Mounted state in ref.
*
* @see https://vueuse.org/useMounted
*/
export declare function useMounted(): ShallowRef<boolean, boolean>