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Update README.md #8

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4 changes: 2 additions & 2 deletions javascript/10/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,9 @@ function* gen(x) {

var g = gen(1);
g.next() // { value: 3, done: false }
g.next(2) // { value: 2, done: false }
g.next(2) // { value: 2, done: true }
```

`next` 是返回值的 `value` 属性，是 `Generator` 函数向外输出数据；`next` 方法还可以接受参数，向 `Generator` 函数体内输入数据。

上面代码中，第一个 `next` 方法的 `value` 属性，返回表达式 `x + 2` 的值 `3`。第二个 `next` 方法带有参数 `2`，这个参数可以传入 `Generator` 函数，作为 `上个阶段` 异步任务的返回结果，被函数体内的变量 `y` 接收。因此，这一步的 `value` 属性，返回的就是 `2`（变量 `y` 的值）。
上面代码中，第一个 `next` 方法的 `value` 属性，返回表达式 `x + 2` 的值 `3`。第二个 `next` 方法带有参数 `2`，这个参数可以传入 `Generator` 函数，作为 `上个阶段` 异步任务的返回结果，被函数体内的变量 `y` 接收。因此，这一步的 `value` 属性，返回的就是 `2`（变量 `y` 的值）。