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docs: edit async typo

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ruanyf 2017-01-08 00:15:31 +08:00
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docs/async.md
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@ -1433,9 +1433,9 @@ async function f() {
```javascript ```javascript
let body = ''; let body = '';
for await(const data on req) body += data; for await(const data of req) body += data;
const parsed = JSON.parse(body); const parsed = JSON.parse(body);
console.log("got", parsed); console.log('got', parsed);
``` ```
上面代码中，`req`是一个 asyncIterable 对象，用来异步读取数据。可以看到，使用`for await...of`循环以后，代码会非常简洁。 上面代码中，`req`是一个 asyncIterable 对象，用来异步读取数据。可以看到，使用`for await...of`循环以后，代码会非常简洁。