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useCssVar

操作 CSS 变量

¥Manipulate CSS variables

示例

Sample text,
Sample text, --color:

用法

¥Usage

js
import { useCssVar } from '@vueuse/core'

const el = ref(null)
const color1 = useCssVar('--color', el)

const elv = ref(null)
const key = ref('--color')
const colorVal = useCssVar(key, elv)

const someEl = ref(null)
const color2 = useCssVar('--color', someEl, { initialValue: '#eee' })

类型声明

typescript
export interface UseCssVarOptions extends ConfigurableWindow {
  initialValue?: string
  /**
   * Use MutationObserver to monitor variable changes
   * @default false
   */
  observe?: boolean
}
/**
 * Manipulate CSS variables.
 *
 * @see https://vueuse.org/useCssVar
 * @param prop
 * @param target
 * @param options
 */
export declare function useCssVar(
  prop: MaybeRefOrGetter<string | null | undefined>,
  target?: MaybeElementRef,
  options?: UseCssVarOptions,
): Ref<string | null | undefined>

源代码

源代码示例文档

变更日志

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