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docs(object): fixed typo #132

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Merged
ruanyf merged 1 commit into from
Aug 27, 2025
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docs(object): fixed typo #132

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2 changes: 1 addition & 1 deletion docs/object.md
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Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,7 @@ let lastName = user.lastName ?? 'Bar';
TypeScript 提供编译设置`ExactOptionalPropertyTypes`，只要同时打开这个设置和`strictNullChecks`，可选属性就不能设为`undefined`。

```typescript
// 打开 ExactOptionsPropertyTypes 和 strictNullChecks
// 打开 ExactOptionalPropertyTypes 和 strictNullChecks
const obj: {
x: number;
y?: number;
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