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fix: 修复示例错误 #283

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fix: 修复示例错误 #283

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2 changes: 1 addition & 1 deletion docs/typings/indexSignatures.md
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Expand Up @@ -132,7 +132,7 @@ foo['a'].messages;
```

::: tip
索引签名的名称（如：`{ [index: string]: { message: string } }` 里的 `index` ）除了可读性外，并没有任何意义。例如：如果有一个用户名，你可以使用 `{ username: string}: { message: string }`，这有利于下一个开发者理解你的代码。
索引签名的名称（如：`{ [index: string]: { message: string } }` 里的 `index` ）除了可读性外，并没有任何意义。例如：如果有一个用户名，你可以使用 `{ [username: string]: { message: string } }`，这有利于下一个开发者理解你的代码。
:::

`number` 类型的索引也支持：`{ [count: number]: 'SomeOtherTypeYouWantToStoreEgRebate' }`。
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