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docs: update computed.md for clarity on method calls #1119

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docs: update computed.md for clarity on method calls #1119

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2 changes: 1 addition & 1 deletion src/guide/essentials/computed.md
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Expand Up @@ -194,7 +194,7 @@ const now = computed(() => Date.now())

</div>

相比之下，方法调用**总是**会在重渲染发生时再次执行函数。
相比之下，方法调用会在每次组件 re-render 时重新运行函数。

为什么需要缓存呢？想象一下我们有一个非常耗性能的计算属性 `list`，需要循环一个巨大的数组并做许多计算逻辑，并且可能也有其他计算属性依赖于 `list`。没有缓存的话，我们会重复执行非常多次 `list` 的 getter，然而这实际上没有必要！如果你确定不需要缓存，那么也可以使用方法调用。

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