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🔍 Vue Hidden God Technique: 99% of developers haven't used it, but it can make code concise by 50%

Learn 7 "Official No Loud Promotion" tips in 30 seconds, covering templates, combinations, and performance, and can be copied and used immediately.

1 V-memo - Template level Memorization

Scenario: The items in the list remain unchanged after rendering, but repeatedly diff

//img.enjoy4fun.com/news_icon/d3nm0o38hlms72vlhqcg.png

Lighter than computed, patch only when dependencies change, exclusive to Vue3.

2 DefineOptions - Set component names within a single file

Scenario: Want to use<script setup>but also need a name

//img.enjoy4fun.com/news_icon/d3nm1c0qnohc72vbfom0.png

No need for additional<script>blocks, it can be done on one line.

3 UseTemplateRef - Secure Template Reference

Scenario: Combining DOM and Saying Goodbye to ref (null) Magic Strings

//img.enjoy4fun.com/news_icon/d3nm1s0qnohc72vbgg6g.png

4 DefineExplore - Precisely Expose Sub Component APIs

Scenario: The parent component only calls specific methods of the child component

//img.enjoy4fun.com/news_icon/d3nm2o5mrbkc72u1ga0g.png

5 V-bind CSS variable injection

Scenario: One click switching of theme color

//img.enjoy4fun.com/news_icon/d3nm3ej8hlms72vlm2b0.png

6 V-once static node

Scenario: Pure display text, never updated

//img.enjoy4fun.com/news_icon/d3nm3rgqnohc72vbjk60.png

Directly output static HTML during compilation, with zero diff overhead.

7 defineAsyncComponent   Lazy loading of routing

Scenario: Routing level code segmentation, first screen slimming

//img.enjoy4fun.com/news_icon/d3nm4pj8hlms72vlo330.png

Paired with Suspense, the first screen JS is -70%.

one-sentence summary

These 7 tips combined make Vue code shorter, faster, and easier to read - answering any one of them during the interview will earn you extra points!