SOURCE

async function a(){
    return new Promise(resolve=>{
        setTimeout(()=>{
            resolve('a')
        },1000)
    })
      
    
}
 async function b(){
    return new Promise(resolve=>{
        setTimeout(()=>{
            resolve('b')
        },1000)
    })
}

function d(){
    console.log(11111111111)
}
let c = async function(){
 
  console.log('22',await a())
 
  console.log('33',await b())

}
c()
console 命令行工具 X clear

                    
>
console