你得这样
```javascript
var jobs = [];

for(let i = 0; i < 8; i++) {
jobs.push(async function(){
return new Promise(resolve => {
setTimeout(function(){
console.log("this is " + i)
resolve()
},1000)
})
});
}

(async function () {
for (const job of jobs) {
await job()
}

})();
```