Skip to content
masterclass Buddy
Start learning

Vue.js · Function

isRef

isRef() checks whether a value is a Vue ref. In TypeScript, a successful check narrows the value to Ref<unknown>, so code can safely use .value.

Last updated

Syntax

function isRef<T>(r: Ref<T> | unknown): r is Ref<T>

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • Ref
  • unref()
  • toRef()
  • ref()

Source: Reactivity API: Utilities | Vue.js. Checked 2026-11-03.