宏任务和微任务面试难题

console.log(1);
async functionasync () {
    console.log(2);
    await console.log(3);
    console.log(4)
}
setTimeout(() =>{
    console.log(5);
}, 0);
const promise = new Promise((resolve, reject) =>{
    console.log(6);
    resolve(7)
})
promise.then(res =>{
    console.log(res)
})
async (); 
console.log(8);