##### function*
- `function*`
- 创建一个绑定到给定名称的新生成器函数
```js
function* name(param0) {
statements
}
function* name(param0, param1) {
statements
}
function* name(param0, param1, /* …, */ paramN) {
statements
}
function* generator(i) {
yield i;
yield i + 10;
}
const gen = generator(10);
console.log(gen.next().value);
// Expected output: 10
console.log(gen.next().value);
// Expected output: 20
```