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What are v-once and v-memo?

Q: What are v-once and v-memo?

**v-once** renders an element/subtree a single time and never updates it. **v-memo="[deps]"** skips re-rendering a subtree unless one of its dependencies changes — a fine-grained optimization for large, mostly-static lists.

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v-once renders an element/subtree a single time and never updates it. v-memo="[deps]" skips re-rendering a subtree unless one of its dependencies changes — a fine-grained optimization for large, mostly-static lists.

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