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Fix minor typo #1249

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Fix minor typo #1249

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2 changes: 1 addition & 1 deletion 1-js/10-error-handling/2-custom-errors/article.md
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Expand Up @@ -247,7 +247,7 @@ try {
2. 函数`readUser` 将捕获内部发生的数据读取 error，例如 `ValidationError` 和 `SyntaxError`，并生成一个 `ReadError` 来进行替代。
3. 对象 `ReadError` 会把对原始 error 的引用保存在其 `cause` 属性中。

之后，调用 `readUser` 的代码只需要检查 `ReadError`，而不必检查每种数据读取 error。并且，如果需要更多 error 细节，那么可以检查 `readUser` 的 `cause` 属性。
之后，调用 `readUser` 的代码只需要检查 `ReadError`，而不必检查每种数据读取 error。并且，如果需要更多 error 细节，那么可以检查 `ReadError` 对象的 `cause` 属性。

下面的代码定义了 `ReadError`，并在 `readUser` 和 `try..catch` 中演示了其用法：

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