http://es6.ruanyifeng.com/#do...

async function doRequests(requests){
    for(let r of requests){
        let result = await r
        console.log(result)
    }  
}


let requests = [new Promise((resovle)=>{resovle(1)}),new Promise((resovle)=>{resovle(2)})]

doRequests(requests)

(async () => {
  const sleep = delay => new Promise(resolve => setTimeout(resolve, delay || 0))
  for (let i = 0; i < 10; i++) {
    const json = await fetch('http://api.hitokoto.cn/?c=a').then(res => res.json()) // promise
    console.group(new Date())
    console.info(json)
    console.groupEnd()
    await sleep(1e3)
  }
})()

var promises = [new Promise(resolve=>{resolve(0)},new Promise(resolve=>{resolve(1)})];

Promise.all(promises).then((res)=>{
    res.forEach((it)=>{
        console.log(it);
    });
});

// 0
// 1