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Merge pull request #353 from wshow/patch-1

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更新 async
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Ruan YiFeng 2017-03-24 20:24:38 +08:00 committed by GitHub
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docs/async.md
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@ -376,8 +376,8 @@ async function dbFuc(db) {
上面代码会报错，因为`await`用在普通函数之中了。但是，如果将`forEach`方法的参数改成`async`函数，也有问题。 上面代码会报错，因为`await`用在普通函数之中了。但是，如果将`forEach`方法的参数改成`async`函数，也有问题。
```javascript ```javascript
async function dbFuc(db) { function dbFuc(db) { //这里不需要 async
let docs = [{}, {}, {}];  let docs = [{}, {}, {}];
// 可能得到错误结果 // 可能得到错误结果
docs.forEach(async function (doc) { docs.forEach(async function (doc) {