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@ -523,7 +523,7 @@ const a = async () => {
};
```
上面代码中，`b()`运行的时候，`a()`是暂停执行，上下文环境都保存着。一旦`b()`或`c()`，错误堆栈将包括`a()`。
上面代码中，`b()`运行的时候，`a()`是暂停执行，上下文环境都保存着。一旦`b()`或`c()`报错，错误堆栈将包括`a()`。
## async 函数的实现原理