
🔍 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
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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
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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
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4 DefineExplore - Precisely Expose Sub Component APIs
Scenario: The parent component only calls specific methods of the child component
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5 V-bind CSS variable injection
Scenario: One click switching of theme color
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6 V-once static node
Scenario: Pure display text, never updated
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Directly output static HTML during compilation, with zero diff overhead.
7 defineAsyncComponent Lazy loading of routing
Scenario: Routing level code segmentation, first screen slimming
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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!