**useNavigatorLanguage** 
リアクティブな navigator.language です。
デモ 
使用方法 
ts
import { useNavigatorLanguage } from '@vueuse/core'
import { defineComponent, ref } from 'vue'
export default defineComponent({
  setup() {
    const { language } = useNavigatorLanguage()
    watch(language, () => {
      // Listen to the value changing
    })
    return {
      language,
    }
  },
})js
import { useNavigatorLanguage } from '@vueuse/core'
import { defineComponent } from 'vue'
export default defineComponent({
  setup() {
    const { language } = useNavigatorLanguage()
    watch(language, () => {
      // Listen to the value changing
    })
    return {
      language,
    }
  },
})型宣言 
型宣言を表示
typescript
export interface NavigatorLanguageState {
  isSupported: Ref<boolean>
  /**
   *
   * ISO 639-1 standard Language Code
   *
   * @info The detected user agent language preference as a language tag
   * (which is sometimes referred to as a "locale identifier").
   * This consists of a 2-3 letter base language tag that indicates a
   * language, optionally followed by additional subtags separated by
   * '-'. The most common extra information is the country or region
   * variant (like 'en-US' or 'fr-CA').
   *
   *
   * @see https://www.iso.org/iso-639-language-codes.html
   * @see https://www.loc.gov/standards/iso639-2/php/code_list.php
   *
   */
  language: Ref<string | undefined>
}
/**
 *
 * Reactive useNavigatorLanguage
 *
 * Detects the currently selected user language and returns a reactive language
 * @see https://vueuse.dokyumento.jp/useNavigatorLanguage
 *
 */
export declare function useNavigatorLanguage(
  options?: ConfigurableWindow,
): Readonly<NavigatorLanguageState>
export type UseNavigatorLanguageReturn = ReturnType<typeof useNavigatorLanguage>ソース 
貢献者 
変更履歴 
v12.0.0-beta.1 2024/11/21