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Vue.js · Function

inject

inject() gets a dependency provided by an ancestor or the app. It looks up the value by a string or Symbol key and can use a default when no provider exists.

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Syntax

inject(key, defaultValue?, treatDefaultAsFactory?)

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  • provide
  • readonly
  • computed
  • ref
  • Symbol

Source: Provide / Inject | Vue.js. Checked 2026-11-03.