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README-zh_CN.md: fix typo in answer 129 #791

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2 changes: 1 addition & 1 deletion zh-CN/README-zh_CN.md
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Expand Up @@ -4148,7 +4148,7 @@ getInfo();

#### 答案：D

通过 `const` 关键字声明的变量在被初始化之前不可被引用：这被称之为 _暂时性死区_。在函数 `getInfo` 中，变量 `randomValue` 声明在`getInfo` 的作用域的此法环境中。在想要对 `typeof randomValue` 进行 log 之前，变量 `randomValue` 仍未被初始化：错误`ReferenceError` 被抛出！JS 引擎并不会根据作用域链网上寻找该变量，因为我们已经在 `getInfo` 函数中声明了 `randomValue` 变量。
通过 `const` 关键字声明的变量在被初始化之前不可被引用：这被称之为 _暂时性死区_。在函数 `getInfo` 中，变量 `randomValue` 的作用域是 `getInfo` 函数的函数作用域。在想要对 `typeof randomValue` 进行 log 之前，变量 `randomValue` 仍未被初始化：错误`ReferenceError` 被抛出！JS 引擎并不会根据作用域链往上寻找该变量，因为我们已经在 `getInfo` 函数中声明了 `randomValue` 变量。

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