useElementSize
Reactive size of an HTML element. ResizeObserver MDN
Demo
Resize the box to see changes
Usage
<template>
<div ref="el">
Height: {{ height }}
Width: {{ Width }}
</div>
</template>
<script>
import { ref } from 'vue'
import { useElementSize } from '@vueuse/core'
export default {
setup() {
const el = ref(null)
const { width, height } = useElementSize(el)
return {
el,
width,
height,
}
}
})
</script>
<template>
<div ref="el">
Height: {{ height }}
Width: {{ Width }}
</div>
</template>
<script>
import { ref } from 'vue'
import { useElementSize } from '@vueuse/core'
export default {
setup() {
const el = ref(null)
const { width, height } = useElementSize(el)
return {
el,
width,
height,
}
}
})
</script>
Component
This function also provides a renderless component version via the@vueuse/components package. Learn more about the usage. <UseElementSize v-slot="{ width, height }">
Width: {{ width }}
Height: {{ height }}
</UseElementSize>
<UseElementSize v-slot="{ width, height }">
Width: {{ width }}
Height: {{ height }}
</UseElementSize>
Type Declarations
export interface ElementSize {
width: number
height: number
}
/**
* Reactive size of an HTML element.
*
* @see https://vueuse.org/useElementSize
* @param target
* @param callback
* @param options
*/
export declare function useElementSize(
target: MaybeElementRef,
initialSize?: ElementSize,
options?: ResizeObserverOptions
): {
width: Ref<number>
height: Ref<number>
}
export declare type UseElementSizeReturn = ReturnType<typeof useElementSize>
export interface ElementSize {
width: number
height: number
}
/**
* Reactive size of an HTML element.
*
* @see https://vueuse.org/useElementSize
* @param target
* @param callback
* @param options
*/
export declare function useElementSize(
target: MaybeElementRef,
initialSize?: ElementSize,
options?: ResizeObserverOptions
): {
width: Ref<number>
height: Ref<number>
}
export declare type UseElementSizeReturn = ReturnType<typeof useElementSize>
Source
Contributors
Anthony Fu
wheat
webfansplz
Shinigami
Alex Kozack
Sanxiaozhizi