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docs: update description #6

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2 changes: 1 addition & 1 deletion docs/array.md
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Expand Up @@ -124,7 +124,7 @@ arr.push(123);
arr.push('abc');
```

上面示例中，数组变量`arr`的初始值是空数值，然后随着新成员的加入，TypeScript 会自动修改推断的数组类型。
上面示例中，数组变量`arr`的初始值是空数组，然后随着新成员的加入，TypeScript 会自动修改推断的数组类型。

但是，类型推断的自动更新只发生初始值为空数组的情况。如果初始值不是空数组，类型推断就不会更新。

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