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fix: translation in 1-js/06-advanced-functions/06-function-object/article.md #1273

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fix: translation in 1-js/06-advanced-functions/06-function-object/article.md #1273

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2 changes: 1 addition & 1 deletion 1-js/06-advanced-functions/06-function-object/article.md
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Expand Up @@ -301,7 +301,7 @@ sayHi = null;
welcome(); // Error，嵌套调用 sayHi 不再有效！
```

发生这种情况是因为该函数从它的外部词法环境获取 `sayHi`。没有局部的 `sayHi` 了，所以使用外部变量。而当调用时，外部的 `sayHi` 是 `null`。
发生这种情况是因为该函数从它的外部词法环境获取 `sayHi`。没有局部的 `sayHi` ，所以使用外部变量。而当调用时，外部的 `sayHi` 是 `null`。

我们给函数表达式添加的可选的名字，正是用来解决这类问题的。

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