es6_generator异步.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    function* gen(x) {
        let y = yield x+1
        return y
    }

    let g = gen(1)
    console.log(g.next())
    //第二个next方法带有参数2传入Generator 函数，作为上个阶段异步任务的返回结果
    console.log(g.next(10))
    console.log(g.next())


    function* myFetch() {
        let url = 'https://api.github.com/users/github';
        let res = yield fetch(url)
        console.log(res.bio)
        return res.bio
        //return 1111
    }

    let goo = myFetch()
    console.log(goo.next().value.then(res=>{
        console.log(res)
        return res.json()
    }).then(data=>{
        console.log(goo.next(data))
        //goo.next(data)
    }))

</script>
</body>
</html>