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@ -722,9 +722,10 @@ async function f() {
注意，异步遍历器的`next`方法是可以连续调用的，不必等到上一步产生的 Promise 对象`resolve`以后再调用。这种情况下，`next`方法会累积起来，自动按照每一步的顺序运行下去。下面是一个例子，把所有的`next`方法放在`Promise.all`方法里面。 注意，异步遍历器的`next`方法是可以连续调用的，不必等到上一步产生的 Promise 对象`resolve`以后再调用。这种情况下，`next`方法会累积起来，自动按照每一步的顺序运行下去。下面是一个例子，把所有的`next`方法放在`Promise.all`方法里面。
```javascript ```javascript
const asyncGenObj = createAsyncIterable(['a', 'b']); const asyncIterable = createAsyncIterable(['a', 'b']);
const asyncIterator = asyncIterable[Symbol.asyncIterator]();
const [{value: v1}, {value: v2}] = await Promise.all([ const [{value: v1}, {value: v2}] = await Promise.all([
asyncGenObj.next(), asyncGenObj.next() asyncIterator.next(), asyncIterator.next()
]); ]);
console.log(v1, v2); // a b console.log(v1, v2); // a b