Question 1

How do you access a DOM element or child component instance?

Accepted Answer

**Target Audience:** Anyone preparing for a Vue interview. Assumes you know `ref()` and lifecycle hooks at a basic level. **Difficulty:** Medium > **How to read this doc:** Ideas are explained in plain language first, then tagged with 📌 Interview term: so you also learn the words an interviewer listens for. All output in the "Verified" sections was produced on Vue 3.5.44 with the repo verifier (compiled and mounted in jsdom) and with Vitest and Vue Test Utils. Real browser layout

Question 2

What is defineExpose?

Accepted Answer

**Target Audience:** Anyone preparing for a Vue interview who has used `

Question 3

What is defineExpose() and why are <script setup> components closed by default?

Accepted Answer

**Target Audience:** Vue developers who know template refs and are moving from the Options API to `

Question 4

How do Vue components communicate?

Accepted Answer

**Target Audience:** Anyone preparing for a Vue interview. Assumes basic JavaScript; no prior Vue knowledge needed. **Difficulty:** Medium > **How to read this doc:** Ideas are explained in plain language first, then tagged with 📌 Interview term: so you also learn the words an interviewer listens for. Every output quoted in the "Verified" sections was produced by running the code on Vue 3.5.44, either with the repo verifier (compiled with @vue/compiler-sfc and mounted

VUE.JSDECODED.

Medium

How do you access a DOM element or child component instance?

What is defineExpose?

What is defineExpose() and why are <script setup> components closed by default?

How do Vue components communicate?